Onuma Sittirak (L) of Thailand spikes the ball against Jaqueline Pereira De Carvalho Endres and Ana Carolina Da Silva of Brazil during their FIVB Women's Volleyball World Grand Prix 2015 match in Sao Paulo, Brazil, July 11, 2015. REUTERS/Paulo Whitaker 

Jaqueline Pereira De Carvalho Endres of Brazil serves against Thailand during their FIVB Women's Volleyball World Grand Prix 2015 match in Sao Paulo, Brazil, July 11, 2015. REUTERS/Paulo Whitaker 

Anastasia Bavykina (L) of Russia jumps to block the ball spiked by Jaqueline Carvalho of Brazil (not in picture) during their FIVB Women's Volleyball World Grand Prix 2014 final round match in Tokyo August 23, 2014. REUTERS/Yuya Shino (JAPAN - Tags: SPORT VOLLEYBALL) 

Jaqueline Carvalho (top C) of Brazil spikes the ball against Nataliya Goncharova (R), Yuliya Podskalnaya (C) and Alexandra Pasynkova of Russia during their FIVB Women's Volleyball World Grand Prix 2014 final round match in Tokyo August 23, 2014. REUTERS/Yuya Shino (JAPAN - Tags: SPORT VOLLEYBALL TPX IMAGES OF THE DAY) 

Jaqueline Carvalho of Brazil (R) spikes the ball against Frauke Dirickx of Belgium during their FIVB Women's Volleyball World Grand Prix 2014 final round match in Tokyo August 22, 2014. REUTERS/Yuya Shino (JAPAN - Tags: SPORT VOLLEYBALL) 

Jaqueline Carvalho (top) of Brazil falls after trying to receive the ball during their FIVB Women's Volleyball World Grand Prix 2014 final round match against China in Tokyo August 21, 2014. REUTERS/Yuya Shino (JAPAN - Tags: SPORT VOLLEYBALL) 

Jaqueline Pereira De Carvalho Endres (R) of Brazil spikes the ball against Zeng Chunlei (2nd R) and Yuan Xinyue (L) of China during their FIVB Women's Volleyball World Grand Prix 2014 final round match in Tokyo August 21, 2014. REUTERS/Yuya Shino (JAPAN - Tags: SPORT VOLLEYBALL) 

Jaqueline Pereira De Carvalho Endres of Brazil (R) spikes the ball against Naz Aydemir Akyol (C) and Kubra Akman of Turkey during their FIVB Women's Volleyball World Grand Prix 2014 final round match in Tokyo August 20, 2014. REUTERS/Yuya Shino (JAPAN - Tags: SPORT VOLLEYBALL) 

Ary Graca (R), president of the FIVB, poses with Jaqueline Carvalho, captain of Brazil's Sollys Nestle, after her team won the gold medal match at the FIVB Women's Volleyball Club World Championships against Azerbaijan's Rabita Baku in Doha October 19, 2012. REUTERS/Mohammed Dabbous (QATAR - Tags: SPORT VOLLEYBALL) 

Jaqueline Carvalho (R) of Brazil's Sollys Nestle celebrates after her team won the gold medal match at the FIVB Women's Volleyball Club World Championships against Azerbaijan's Rabita Baku in Doha October 19, 2012. REUTERS/Mohammed Dabbous (QATAR - Tags: SPORT VOLLEYBALL) 

Madelaynne Montano (R) of Azerbaijan's Rabita Baku spikes the ball against Jaqueline Carvalho of Brazil's Sollys Nestle during the gold medal match at the FIVB Women's Volleyball Club World Championships in Doha October 19, 2012. REUTERS/Mohammed Dabbous (QATAR - Tags: SPORT VOLLEYBALL) 

Jaqueline Carvalho (back) of Brazil's Sollys Nestle spikes against Foluke Akinradewo (L) and Madelaynne Montano (R) of Azerbaijan's Rabita Baku during the gold medal match at the FIVB Women's Volleyball Club World Championships in Doha October 19, 2012. REUTERS/Mohammed Dabbous (QATAR - Tags: SPORT VOLLEYBALL) 

Madelaynne Montano of Azerbaijan's Rabita Baku spikes the ball against Jaqueline Carvalho (8) and Adenizia Silva (5) of Brazil's Sollys Nestle during their match in the FIVB Women's Volleyball Clubs World Championship in Doha October 15, 2012. REUTERS/Mohammed Dabbous (QATAR - Tags: SPORT VOLLEYBALL) 

Jaqueline Carvalho (back) of Brazil's Sollys Nestle spikes the ball against Katarzyna Skorupa of Azerbaijan's Rabita Baku during their match in the FIVB Women's Volleyball Clubs World Championship in Doha October 15, 2012. REUTERS/Mohammed Dabbous (QATAR - Tags: SPORT VOLLEYBALL) 

Jaqueline Carvalho of Brazil's Sollys Nestle spikes the ball against Liu Ya (L) and Wei Qiuyue (R) of China's Bohai Bank Tianjin during their FIVB Women's Volleyball Clubs World Championship match in Doha October 14, 2012. REUTERS/Mohammed Dabbous (QATAR - Tags: SPORT VOLLEYBALL) 

Brazil's Jaqueline Carvalho, who won gold medal for women's volleyball at the London 2012 Olympic Games, gestures as she arrives at Guarulhos airport in Sao Paulo, August 16, 2012. REUTERS/Nacho Doce (BRAZIL - Tags: SPORT OLYMPICS VOLLEYBALL) 

Gold medallists Thaisa Menezes, Adenizia Silva, Fernanda Rodrigues and Jaqueline Carvalho (L-R) of Brazil celebrate during the award ceremony for the women's volleyball competition at Earls Court during the London 2012 Olympic Games August 11, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Gold medallist Jaqueline Carvalho of Brazil poses with her medal as she celebrates during the award ceremony for the women's volleyball competition at Earls Court during the London 2012 Olympic Games August 11, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho (C) reacts after spiking against Logan Tom and Foluke Akinradewo (L) of the U.S. during their women's gold medal volleyball match at Earls Court during the London 2012 Olympic Games August 11, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho (L) and Fernanda Garay celebrate a point against the U.S. during their women's gold medal volleyball match at Earls Court during the London 2012 Olympic Games August 11, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho (L) and Fabiana Oliveira celebrate a point against the U.S. during their women's gold medal volleyball match at Earls Court during the London 2012 Olympic Games August 11, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho dives to save a point against the U.S. during their women's gold medal volleyball match at Earls Court during the London 2012 Olympic Games August 11, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Tandara Caixeta, Jaqueline Carvalho and Fabiana Claudino (L-R) change sides after losing the first set against the U.S. during their women's gold medal volleyball match at Earls Court during the London 2012 Olympic Games August 11, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Destinee Hooker (R) of the U.S. spikes the ball against Brazil's Fabiana Claudino (L) and Jaqueline Carvalho during their women's gold medal volleyball match at Earls Court during the London 2012 Olympic Games August 11, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho celebrates winning their women's semi-final volleyball match against Japan at Earls Court during the London 2012 Olympic Games August 9, 2012. REUTERS/Olivia Harris (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL TPX IMAGES OF THE DAY)

Brazil's Natalia Pereira (top R) celebrates with her team mates Jaqueline Carvalho and Danielle Lins (C) winning their women's semi-final volleyball match against Japan at Earls Court during the London 2012 Olympic Games August 9, 2012. REUTERS/Olivia Harris (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL TPX IMAGES OF THE DAY)

Brazil's Jaqueline Carvalho celebrates winning their women's semi-final volleyball match against Japan at Earls Court during the London 2012 Olympic Games August 9, 2012. REUTERS/Olivia Harris (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho blows a kiss as she celebrates winning their women's semi-final volleyball match against Japan at Earls Court during the London 2012 Olympic Games August 9, 2012. REUTERS/Olivia Harris (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho celebrates winning their women's semi-final volleyball match against Japan at Earls Court during the London 2012 Olympic Games August 9, 2012. REUTERS/Olivia Harris (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Natalia Pereira (top R) celebrates with her team mates Jaqueline Carvalho and Danielle Lins (C) winning their women's semi-final volleyball match against Japan at Earls Court during the London 2012 Olympic Games August 9, 2012. REUTERS/Olivia Harris (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho (R), Danielle Lins and Sheilla Castro (top) celebrate a point against Japan during their women's semi-final volleyball match at Earls Court during the London 2012 Olympic Games August 9, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho (R) spikes the ball against Russia's Evgeniya Startseva during their women's quarterfinal volleyball match at Earls Court during the London 2012 Olympic Games August 7, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho (R) spikes the ball against Russia's Maria Borisenko (L) and Evgeniya Startseva during their women's quarterfinal volleyball match at Earls Court during the London 2012 Olympic Games August 7, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Fernanda Rodrigues (R) talks to her team mate Jaqueline Carvalho during their women's Group B volleyball match against Serbia at Earls Court during the London 2012 Olympic Games August 5, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's players Jaqueline Carvalho, Paula Pequeno and Fabiana Claudino celebrate a point during their women's Group A volleyball match against China at Earls Court during the London 2012 Olympic Games August 3, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's players Jaqueline Carvalho and Sheilla Castro celebrate a point during their women's Group A volleyball match against China at Earls Court during the London 2012 Olympic Games August 3, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho (C) saves a ball during their women's Group A volleyball match against China at Earls Court during the London 2012 Olympic Games August 3, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho (L) and Thaisa Menezes (2nd L) block a spike from China's Chu Jinling during their women's Group A volleyball match at Earls Court during the London 2012 Olympic Games August 3, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho (R) spikes against China's Wei Qiuyue (8) Ma Yunwen (15) during their women's Group A volleyball match at Earls Court during the London 2012 Olympic Games August 3, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho spikes against China's Hui Ruoqi and Shan Danna during their women's Group A volleyball match at Earls Court during the London 2012 Olympic Games August 3, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho spikes against China during their women's Group A volleyball match at Earls Court during the London 2012 Olympic Games August 3, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho cries after their team lost to South Korea during their women's Group B volleyball match at Earls Court during the London 2012 Olympic Games August 1, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Brazil's Adenizia Silva (L) and Jaqueline Carvalho react after being defeated by South Korea during their women's Group B volleyball match at Earls Court during the London 2012 Olympic Games August 1, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Brazil's Fernanda Ferreira and Jaqueline Carvalho stand on the floor after losing their women's Group B volleyball match against the U.S. at the London 2012 Olympic Games at Earls Court July 30, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Brazil's Sheilla Castro, Fernanda Ferreira, Paula Pequeno, Fabiana Oliveira, Thaisa Menezes and Jaqueline Carvalho celebrate a point during their women's Group B volleyball match against the U.S. at the London 2012 Olympic Games at Earls Court July 30, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Brazil's Jaqueline Carvalho spikes the ball as Christa Harmotto (front L) and Lindsey Berg of the U.S. try to block the shot and Brazil's Fabiana Oliveira (back L) looks on during their women's Group B volleyball match at the London 2012 Olympic Games at Earls Court July 30, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Turkey's Polen Uslupehlivan (R) spikes the ball as Brazil's Thaisa Menezes, Jaqueline Carvalho and Fabiana Oliveira (back L-R) attempt to block it during their women's Group B volleyball match at the London 2012 Olympic Games at Earls Court in London July 28, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Turkey's Neslihan Darnel (back) spikes the ball as Brazil's Jaqueline Carvalho, Fabiana Claudino and Fernanda Ferreira (front L-R) attempt to block it during their women's Group B volleyball match at the London 2012 Olympic Games at Earls Court in London July 28, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Turkey's Neslihan Darnel spikes the ball as Brazil's Paula Pequeno (2nd L) attempts to block and Brazil's Jaqueline Carvalho (L) looks on during their women's Group B volleyball match at the London 2012 Olympic Games at Earls Court in London July 28, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Brazil's Fabiana Claudino, Danielle Lins, Tandara Caixeta, Paula Pequeno, Jaqueline Carvalho and Fabiana Oliveira (L-R) celebrate a point during their women's Group B volleyball match against Turkey at the London 2012 Olympic Games at Earls Court in London July 28, 2012. REUTERS/Ivan Alvarado (BRITAIN - Tags: SPORT OLYMPICS SPORT VOLLEYBALL)

Jaqueline Carvalho (C) of Brazil spikes the ball against Karla Ortiz (L) and Clarivett Yllesacs of Peru during their South America women's 2012 pre-Olympic volleyball finals in Sao Carlos May 13, 2012. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT VOLLEYBALL OLYMPICS) 

(From R-L) Fernanda Rodrigues, Sheilla Castro, Jaqueline Carvalho and Fabiana Oliveira (back L) of Brazil celebrate after defeating Peru during their South America women's 2012 pre-Olympic volleyball finals in Sao Carlos May 13, 2012. Brazil won 3-0 and is qualified to participate in the London 2012 Olympic Games. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT VOLLEYBALL OLYMPICS) 

Jaqueline Carvalho (R) of Brazil spikes the ball against Mirtha Uribe (L) and Diana Soto of Peru during their South America women's 2012 pre-Olympic volleyball finals in Sao Carlos May 13, 2012. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT VOLLEYBALL OLYMPICS) 

Brazilian volleyball player Jaqueline Carvalho presents the new national uniform for the London 2012 Olympic Games at Brazilian Volleyball Federation's training centre in Saquarema, about 60 miles (97 km) east of Rio de Janeiro, May 4, 2012. REUTERS/Sergio Moraes (BRAZIL - Tags: SPORT OLYMPICS VOLLEYBALL) 

Brazil's Jaqueline Carvalho spikes the ball against Poland players during their FIVB World Grand Prix volleyball match in Taipei August 22, 2010. REUTERS/Nicky Loh (TAIWAN - Tags: SPORT VOLLEYBALL) 

Brazil's Jaqueline Carvalho spikes the ball against Poland players during their FIVB World Grand Prix volleyball match in Taipei August 22, 2010. REUTERS/Nicky Loh (TAIWAN - Tags: SPORT VOLLEYBALL IMAGES OF THE DAY) 

Brazil's Jaqueline Carvalho (L) and Adenizia Silva try to block a spike from Puerto Rico during their FIVB World Grand Prix volleyball match in Taipei August 20, 2010. REUTERS/Nicky Loh (TAIWAN - Tags: SPORT VOLLEYBALL) 

Brazil's Jaqueline Carvalho (L) spikes the ball against Puerto Rico's Vilmarie Mojica during their FIVB World Grand Prix volleyball match in Taipei August 20, 2010. REUTERS/Nicky Loh (TAIWAN - Tags: SPORT VOLLEYBALL) 

Walewska Oliveira (R) of Brazil spikes the ball against Lydia Oulmou (L) of Algeria as Jaqueline Carvalho of Brazil looks on during their women?s preliminary pool B volleyball match at the Beijing 2008 Olympic Games, August 9, 2008. REUTERS/Sergio Moraes (CHINA) 

Jaqueline Carvalho of Brazil receives the ball from Algeria during their women?s preliminary pool B volleyball match at the Beijing 2008 Olympic Games, August 9, 2008. REUTERS/Sergio Moraes (CHINA)