Rugby Union - Newcastle Falcons v London Irish - Aviva Premiership - Kingston Park - 17/4/16
Gonzalo Tiesi of Newcastle Falcons in action
Mandatory Credit: Action Images / Ed Sykes
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England's Joel Tomkins (R) is tackled by Argentina's Gonzalo Tiesi during their international rugby union match at Twickenham in London November 9, 2013. REUTERS/Darren Staples (BRITAIN - Tags: SPORT RUGBY) 

England's Courtney Lawes (2nd L) is tackled by Argentina's Gonzalo Tiesi (L) and Belisario Agulla as England's Marland Yarde (R) looks on during their second rugby union international test match in Buenos Aires June 15, 2013. REUTERS/Enrique Marcarian (ARGENTINA - Tags: SPORT RUGBY) 

Argentina's Felipe Contepomi passes the ball to his teammate Gonzalo Tiesi (L) under pressure of England's Ben Morgan during their second rugby union international test match in Buenos Aires June 15, 2013. REUTERS/Enrique Marcarian (ARGENTINA - Tags: SPORT RUGBY) 

Gonzalo Tiesi of Argentina's rugby team speaks to journalists during a news conference in Dunedin September 12, 2011. Argentina will play against Romania in their Rugby World Cup match on Saturday. Tiesi has been ruled out of the rugby World Cup with a knee injury, officials said. REUTERS/Marcos Brindicci (NEW ZEALAND - Tags: SPORT RUGBY) 

Gonzalo Tiesi of Argentina's rugby team listens to a journalist's question during a news conference in Dunedin, September 12, 2011. Argentina will play against Romania in their Rugby World Cup match on Saturday. Tiesi has been ruled out of the rugby World Cup with a knee injury, officials said. REUTERS/Marcos Brindicci (NEW ZEALAND - Tags: SPORT RUGBY HEADSHOT) 

Gonzalo Tiesi of Argentina's rugby team attends a training session in Dunedin September 12, 2011. Argentina will play against Romania in their Rugby World Cup match on Saturday. Tiesi has been ruled out of the rugby World Cup with a knee injury, officials said. REUTERS/Marcos Brindicci (NEW ZEALAND - Tags: SPORT RUGBY) 

Gonzalo Tiesi of Argentina's rugby team walks with his leg in a brace during a training session in Dunedin September 12, 2011. Argentina will play against Romania in their Rugby World Cup match on Saturday. Tiesi has been ruled out of the rugby World Cup with a knee injury, officials said. REUTERS/Marcos Brindicci (NEW ZEALAND - Tags: SPORT RUGBY) 

Argentina's Gonzalo Tiesi (13) stands with his teammates with his leg in a brace after their Rugby World Cup Pool B match loss to England at Otago Stadium in Dunedin September 10, 2011. REUTERS/Marcos Brindicci (NEW ZEALAND - Tags: SPORT RUGBY)

Argentina's Gonzalo Tiesi is assisted off the field during their Rugby World Cup Pool B match against England at Otago Stadium in Dunedin September 10, 2011. REUTERS/Marcos Brindicci (NEW ZEALAND - Tags: SPORT RUGBY)

Argentina's Santiago Fernandez (L) and Gonzalo Tiesi (R) tackle England's Delon Armitage during their Rugby World Cup Pool B match at Otago Stadium in Dunedin September 10, 2011. REUTERS/Marcos Brindicci (NEW ZEALAND - Tags: SPORT RUGBY)

Argentina's Gonzalo Tiesi (L) and Gonzalo Camacho (R) tackle England's Chris Ashton during their Rugby World Cup Pool B match at Otago Stadium in Dunedin September 10, 2011. REUTERS/Marcos Brindicci (NEW ZEALAND - Tags: SPORT RUGBY IMAGE OF THE DAY TOP PICTURE)

Argentina's Gonzalo Tiesi tackles England's Manu Tuilagi (R) during their Rugby World Cup Pool B match at Otago Stadium in Dunedin September 10, 2011. REUTERS/Stefan Wermuth (NEW ZEALAND - Tags: SPORT RUGBY)

England's Jonny Wilkinson (L) and Chris Ashton (R) tackle Argentina's Gonzalo Tiesi during their Rugby World Cup Pool B match at Otago Stadium in Dunedin September 10, 2011. REUTERS/Stefan Wermuth (NEW ZEALAND - Tags: SPORT RUGBY)

Gonzalo Tiesi (L) of Argentina's rugby team passes the ball to Gonzalo Camacho during their training session in Dunedin, ahead of their 2011 Rugby World Cup debut match against England, September 3, 2011. REUTERS/Marcos Brindicci (NEW ZEALAND - Tags: SPORT RUGBY) 

Argentina's national rugby team Los Pumas pose before the upcoming Rugby World Cup to be held in New Zealand, in Buenos Aires August 30, 2011. Front first row from left: Video analyst Nicolas Basdedios, assistant coach Mauricio Reggiardo, Rodrigo Roncero, Mario Ledesma, team president Manuel Galindo, head coach Santiago Phelan, Felipe Contempomi, coach Fabian Turnes, team manager Alejandro Cubelli, Juan martin Fernandez Lobbe, Gonzalo Tiesi, game analyst German Fernandez and media manager Rafael Laria. Second row from left: physical trainers Mariano Ferandez and Simon Fathers, Horacio Agulla, Nicolas Vergallo,Santiago Fernandez, Marcelo Bosch,Juan Manuel Leguizamon, Martin Rodriguez, Marcelo Lalanne,team operations manager Rodrigo Jimenez and baggage master Jorge Ruarte. Third row from left: Physiotherapist Sergio Carossio, Genaro Fessia, Juan Imhoff, Juan Figallo, Lucas Gonzalez Amorosino, Nicolas Sanchez, Gonzalo Camacho, Agustin Gosio, Maximiliano Bustos, assistant coach Martin Gaitan and physioterapist Maximilano Marticorena.Fourth row from left: Leandro Senatore, Martin Scelzo, Julio Farias Cabello, Patricio Albacete,Manuel Carizza, Tomas Vellejos, Marcos Ayerza and Alejandro Campos. REUTERS/Enrique Marcarian(ARGENTINA - Tags: SPORT RUGBY PORTRAIT) 

Argentina's national rugby team Los Pumas pose before the upcoming Rugby World Cup to be held in New Zealand, in Buenos Aires August 30, 2011. Front first row from left: Video analyst Nicolas Basdedios, assistant coach Mauricio Reggiardo, Rodrigo Roncero, Mario Ledesma, team president Manuel Galindo, head coach Santiago Phelan, Felipe Contempomi, coach Fabian Turnes, team manager Alejandro Cubelli, Juan martin Fernandez Lobbe, Gonzalo Tiesi, game analyst German Fernandez and media manager Rafael Laria. Second row from left: physical trainers Mariano Ferandez and Simon Fathers, Horacio Agulla, Nicolas Vergallo,Santiago Fernandez, Marcelo Bosch,Juan Manuel Leguizamon, Martin Rodriguez, Marcelo Lalanne,team operations manager Rodrigo Jimenez and baggage master Jorge Ruarte. Third row from left: Physiotherapist Sergio Carossio, Genaro Fessia, Juan Imhoff, Juan Figallo, Lucas Gonzalez Amorosino, Nicolas Sanchez, Gonzalo Camacho, Agustin Gosio, Maximiliano Bustos, assistant coach Martin Gaitan and physioterapist Maximilano Marticorena.Fourth row from left: Leandro Senatore, Martin Scelzo, Julio Farias Cabello, Patricio Albacete,Manuel Carizza, Tomas Vellejos, Marcos Ayerza and Alejandro Campos. REUTERS/Enrique Marcarian (ARGENTINA - Tags: SPORT RUGBY PORTRAIT) 

France's Imanol Harinordoquy (L) runs ahead of Argentina's Gonzalo Tiesi during their friendly international rugby union test match at the La Mosson's stadium in Montpellier, November 20, 2010.
REUTERS/Pascal Parrot (FRANCE - Tags: SPORT RUGBY) 

Argentina's Gonzalo Tiesi (C) struggles with France's Lionel Nallet during their friendly international rugby union test match at the La Mosson's stadium in Montpellier, November 20, 2010. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: SPORT RUGBY) 

Argentina's Gonzalo Tiesi (C) struggles with France's Aurelien Rougerie (L) and Yannick Jauzion (R) during their friendly international rugby union test match at the La Mosson's stadium in Montpellier, November 20, 2010. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: SPORT RUGBY) 

Argentina's Gonzalo Tiesi (L) struggles with France's Thierry Dusautoir (R) during their friendly international rugby union test match at the La Mosson's stadium in Montpellier, November 20, 2010. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: SPORT RUGBY) 

Argentina's Gonzalo Tiesi (C) struggles with France's Thomas Domingo (R) during their friendly international rugby union test match at the La Mosson's stadium in Montpellier, November 20, 2010. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: SPORT RUGBY) 

Italy's Andrea Masi is tackled by Argentina's Gonzalo Tiesi (L) and Felipe Contepomi during their test rugby match at the Bentegodi stadium in Verona, northern Italy, November 13, 2010. REUTERS/Stefano Rellandini (ITALY - Tags: SPORT RUGBY) 

Argentina's Felipe Contepomi (C) celebrates with his teammates Martin Rodriguez (L), Juan Manuel Leguizamon (20) and Gonzalo Tiesi (R) during their rugby test match against France in Buenos Aires June 26, 2010. REUTERS/Martin Acosta (ARGENTINA - Tags: SPORT RUGBY) 

Argentina's Gonzalo Tiesi (R) celebrates with teammate Alejandro Campos after their Autumn Test international rugby union match victory against Scotland at Murrayfield stadium in Edinburgh, Scotland November 28, 2009. REUTERS/David Moir (BRITAIN SPORT RUGBY) 

Argentina's Gonzalo Tiesi (C) celebrates with teammate Alejandro Campos after their Autumn Test international rugby union match victory against Scotland at Murrayfield stadium in Edinburgh, Scotland November 28, 2009. REUTERS/David Moir (BRITAIN SPORT RUGBY) 

Argentina's Gonzalo Tiesi (front) celebrates with teammates after their Autumn Test international rugby union match victory against Scotland at Murrayfield stadium in Edinburgh, Scotland November 28, 2009. REUTERS/David Moir (BRITAIN SPORT RUGBY) 

Argentina's Los Pumas Gonzalo Tiesi (C) tries to break away next to his teammate Gonzalo Camacho under pressure from French Barbarians' David Auradou (L) during their international friendly rugby union match in Buenos Aires, June 20, 2009. REUTERS/Enrique Marcarian (ARGENTINA SPORT RUGBY) 

Italy's Josh Sole (L) is tackled by Argentina's Gonzalo Tiesi during their rugby test match at Olympic stadium in Turin November 15, 2008. REUTERS/Stefano Rellandini ( ITALY ) 

Argentina's Gonzalo Tiesi (L) is tackled by Italy's Andrea Masi during their rugby test match at the Olympic stadium in Turin November 15, 2008. REUTERS/Stefano Rellandini ( ITALY ) 

Gonzalo Tiesi (top) of Argentina's Los Pumas tries to break away from Scotland's Ben Cairns during their rugby union test match played in Rosario, 310 km (192 miles) north of Buenos Aires, June 7, 2008. REUTERS/Enrique Marcarian (ARGENTINA) 

Gonzalo Tiesi (R) of Argentina's Los Pumas grabs Scotland's Mike Blair during their rugby union test match played in Rosario, 310 km (192 miles) north of Buenos Aires June 7, 2008. REUTERS/Enrique Marcarian (ARGENTINA) 

Gonzalo Tiesi (top) of Argentina's Los Pumas tries to break away Scotland's Ben Cairns during their rugby union test match played in Rosario, 310 km (192 miles) north of Buenos Aires June 7, 2008. REUTERS/Enrique Marcarian (ARGENTINA) 

South Africa's Bryan Habana scores a try against Argentina as Argentina's Gonzalo Tiesi looks on during their semi-final Rugby World Cup match at the Stade de France Stadium in Saint-Denis, near Paris, October 14, 2007. REUTERS/Juan Medina (FRANCE) 

Gonzalo Tiesi of Argentina's Rugby World Cup team attends a training session at Stade Jean Moulin in Paris October 4, 2007. REUTERS/Juan Medina (FRANCE) 

Gonzalo Tiesi of Argentina's rugby team Los Pumas speaks to the media during a news conference at Enghien-les-Bains Auditorium, September 25, 2007. REUTERS/Juan Medina (FRANCE) 

Argentina's Gonzalo Tiesi reacts after scoring a try against Namibia during their Group D Rugby World Cup match in Marseille September 22, 2007. REUTERS/Regis Duvignau (FRANCE) 

Argentina's Gonzalo Tiesi scores a try against Namibia during their Group D Rugby World Cup match in Marseille September 22, 2007. REUTERS/Regis Duvignau (FRANCE) 

Argentina's Gonzalo Tiesi scores a try against Namibia during their Rugby World Cup Group D match in Marseille September 22, 2007. REUTERS/Regis Duvignau (FRANCE) 

Argentina's Gonzalo Tiesi (R) is tackled by Namibia's JDeon Mouton during their Group D Rugby World Cup match in Marseille September 22, 2007. REUTERS/Jean-Paul Pelissier (FRANCE) 

Gonzalo Tiesi (R) and Horacio Agulla of Argentina's rugby team Los Pumas attend a training session at Georges Lyvet Stadium in preparation for their next match with Namibia in Lyon September 20, 2007. REUTERS/Juan Medina (FRANCE) 

Argentina's captain Agustin Pichot (L), Rimas Alvarez (C) and Gonzalo Tiesi attend a training session at Georges Lyvet Stadium in preparation for their next match with Namibia in Lyon September 18, 2007. REUTERS/Juan Medina (FRANCE) 

Gonzalo Tiesi (R) and Manuel Contepomi (C) attend a Argentina's rugby team training session at Georges Lyvet Stadium in preparation for their next match with Namibia in the Rugby World Cup in France September 17, 2007. REUTERS/Juan Medina (FRANCE) 

Argentina's Gonzalo Tiesi reacts after his team defeated Georgia in their group D Rugby World Cup match in Lyon September 11, 2007.REUTERS/Juan Medina (FRANCE) 

Argentina's Gonzalo Tiesi escapes Georgia's Irakli Urjukashvili during their group D Rugby World Cup match in Lyon September 11, 2007. REUTERS/Regis Duvignau (FRANCE) 

Argentina's Gonzalo Tiesi escapes Georgia's Irakli Urjukashvili during their group D Rugby World Cup match in Lyon September 11, 2007. REUTERS/Regis Duvignau (FRANCE) 

Argentina's Gonzalo Tiesi is tackled by Georgia's Irakli Giorgadze during their group D Rugby World Cup match in Lyon September 11, 2007. REUTERS/Robert Pratta (FRANCE) 

Argentina's Gonzalo Tiesi (R) is tackled by Georgia's Irakli Giorgadze during their group D Rugby World Cup match in Lyon September 11, 2007. REUTERS/Robert Pratta (FRANCE) 

The Argentine national rugby team, Los Pumas, poses ahead of the France 2007 Rugby World Cup in Buenos Aires August 8, 2007. First row from L: Nicolas Basdedios Molina (video analyst), Diego Cash (assistant coach), Nicolas Fernandez Miranda, Mario Ledesma, Marcelo Loffreda (head coach), Agustin Pichot (captain), Daniel Baetti (assistant coach), Jose Luis Rolandi (manager), Gonzalo Longo, Felipe Contepomi, Mario Barandarian (assistant coach) and Rafael Laria (press officer). Second row from L: Ignacio Fernandez Madero (trainer), Jorge Ruiz (trainer), Manuel Contepomi, Ignacio Corleto, Martin Durand, Rodrigo Roncero, Omar Hasan, Jose Maria Nunez Piossek, Martin Gaitan, Rodrigo Gimenez Salice (kit man), Jorge Ruarte (kit man). Third row from L: Sergio Carossio (physiotherapist), Juan Martin Hernandez, Horacio Agulla, Federico Serra, Lucas Borges, Martin Schusterman, Federico Todeschini, Gonzalo Tiesi, Alberto Vernet, Juan Manuel Leguizamon and Maximiliano Marticorena (physioterapist). Fourth row from L: Lucas Ostiglia, Martin Scelzo, Juan Martin Fernandez Lobbe, Carlos Ignacio Fernandez Lobbe, Rimas Alvarez Kairelis, Esteban Lozada, Patricio Albacete, Santiago Gonzalez Bonorino and Marcos Ayerza. REUTERS/Enrique Marcarian (ARGENTINA) 

Gonzalo Tiesi of Argentina's national rugby team is seen in this undated handout photo taken July 30, 2007. REUTERS/Argentine Rugby Union (ARGENTINA) 

Gonzalo Tiesi (back, R) of Argentina's Los Pumas is cogratulated by team mates Juan Martin Hernandez (15) and Felipe Contepomi after he scored a try against Wales during their rugby union test match in Buenos Aires, June 17, 2006. REUTERS/Marcos Brindicci (ARGENTINA) 

Gonzalo Tiesi (back R) of Argentina's Los Pumas is congratulated by Juan Martin Hernandez and other team mates after scoring a try as Wales Mark Jones looks down during their rugby union test match in Buenos Aires June 17, 2006. REUTERS/Marcos Brindicci (ARGENTINA) 

Mark Jones (R) and Huw Bennett (L) of Wales fight for the ball with Gonzalo Tiesi of Argentina's Los Pumas during their rugby union test match in Buenos Aires June 17, 2006. REUTERS/Marcos Brindicci (ARGENTINA) 

Mark Jones (R) and Huw Bennett (L) of Wales fight for the ball with Gonzalo Tiesi of Argentina's Los Pumas during their rugby union test match in Buenos Aires June 17, 2006. REUTERS/Marcos Brindicci (ARGENTINA) 

Jamie Robinson (R) of Wales is tackled by Gonzalo Tiesi (C) of Argentina's Los Pumas as Los Pumas' Lucas Borges watches during their rugby union test match in Buenos Aires June 17, 2006. REUTERS/Marcos Brindicci 

Alix Popham (R) of Wales is tackled by Gonzalo Tiesi of Argentina's Los Pumas during their rugby union test match in Puerto Madryn, some 1470 kilometers (913 miles) south of Buenos Aires, June 11, 2006. REUTERS/Marcos Brindicci 

Argentina's Gonzalo Tiesi is tackled by Italy's Aaron Ronald Persico (top) during their rugby test match at Ferraris stadium in Genoa November 19, 2005. REUTERS/Tony Gentile