Basketball - Pau Gasol arrives at Josep Tarradellas Barcelona-El Prat Airport - Josep Tarradellas Barcelona-El Prat Airport, Barcelona, Spain - March 3, 2021 Pau Gasol signs autographs for fans as he arrives in Barcelona REUTERS/Albert Gea

U.S. Rep. Jim Jordan of Ohio signs an autograph for an attendee at the Conservative Political Action Conference (CPAC) in Orlando, Florida, U.S. February 28, 2021. REUTERS/Octavio Jones

Tennis - Australian Open - Men's Singles Photo Shoot - Brighton Beach, Melbourne, Australia, February 22, 2021 Australian Open champion Serbia's Novak Djokovic signs his autograph on a pregnant woman's belly during a photo shoot at Brighton Beach REUTERS/Loren Elliott

Tennis - Australian Open - Men's Singles Photo Shoot - Brighton Beach, Melbourne, Australia, February 22, 2021 Australian Open champion Serbia's Novak Djokovic signs his autograph on a pregnant woman's belly during a photo shoot at Brighton Beach REUTERS/Loren Elliott

Tennis - Australian Open - Men's Singles Photo Shoot - Brighton Beach, Melbourne, Australia, February 22, 2021 The Australian Open champion Serbia's Novak Djokovic autograph is seen on a pregnant woman's belly during a photo shoot at Brighton Beach REUTERS/Loren Elliott

Tennis - Australian Open - Men's Singles Photo Shoot - Brighton Beach, Melbourne, Australia, February 22, 2021 Australian Open champion Serbia's Novak Djokovic signs his autograph on a pregnant woman's belly during a photo shoot at Brighton Beach REUTERS/Loren Elliott TPX IMAGES OF THE DAY

Tennis - Australian Open - Men's Singles Final - Melbourne Park, Melbourne, Australia, February 21, 2021 Serbia's Novak Djokovic signs autographs after winning his final match against Russia's Daniil Medvedev REUTERS/Asanka Brendon Ratnayake

Tennis - Australian Open - Men's Singles Final - Melbourne Park, Melbourne, Australia, February 21, 2021 Serbia's Novak Djokovic signs autographs after winning his final match against Russia's Daniil Medvedev REUTERS/Asanka Brendon Ratnayake

Tennis - Australian Open - Men's Singles Final - Melbourne Park, Melbourne, Australia, February 21, 2021 Serbia's Novak Djokovic signs autographs after winning his final match against Russia's Daniil Medvedev REUTERS/Kelly Defina

Tennis - Australian Open - Men's Singles Final - Melbourne Park, Melbourne, Australia, February 21, 2021 Serbia's Novak Djokovic signs autographs after winning his final match against Russia's Daniil Medvedev REUTERS/Kelly Defina

Tennis - Australian Open - Women's Singles Final - Melbourne Park, Melbourne, Australia, February 20, 2021 Japan's Naomi Osaka signs autographs for fans after winning her final match against Jennifer Brady of the U.S. REUTERS/Asanka Brendon Ratnayake

Tennis - Australian Open - Women's Singles Final - Melbourne Park, Melbourne, Australia, February 20, 2021 Japan's Naomi Osaka signs autographs for fans after winning her final match against Jennifer Brady of the U.S. REUTERS/Asanka Brendon Ratnayake

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 19, 2021 Russia's Daniil Medvedev signs autographs for fans after winning his semi final match against Greece's Stefanos Tsitsipas REUTERS/Jaimi Joy

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 19, 2021 Russia's Daniil Medvedev signs autographs for fans after winning his semi final match against Greece's Stefanos Tsitsipas REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 18, 2021 Serbia's Novak Djokovic signing autographs for fans after winning his semi final match against Russia's Aslan Karatsev. Crowds return to the Australian Open today after a five-day snap lockdown was lifted following a fresh outbreak of the coronavirus disease (COVID-19) REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 18, 2021 Jennifer Brady of the U.S. signs her autograph on a TV camera after winning her semi final match against Czech Republic's Karolina Muchova REUTERS/Kelly Defina

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 18, 2021 Japan's Naomi Osaka signs her autograph on a TV camera after winning her semi final match against Serena Williams of the U.S. REUTERS/Kelly Defina

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 18, 2021 Japan's Naomi Osaka signs her autograph after winning her semi final match against Serena Williams of the U.S. REUTERS/Asanka Brendon Ratnayake

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 16, 2021 Serena Williams of the U.S. signs her autograph on a TV camera after winning her quarter final match against Romania's Simona Halep REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 16, 2021 Russia's Aslan Karatsev signs his autograph on the TV camera after winning his quarter final match against Bulgaria's Grigor Dimitrov REUTERS/Kelly Defina

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 16, 2021 Japan's Naomi Osaka signs her autograph on the TV camera after winning her quarter final match against Taiwan's Su-Wei Hsieh REUTERS/Kelly Defina

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 15, 2021 Jennifer Brady of the U.S. signs his autograph on the TV camera after winning her fourth round match against Croatia's Donna Vekic REUTERS/Kelly Defina

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 14, 2021 Bulgaria's Grigor Dimitrov signs his autograph on the TV camera lens after winning his fourth round match against Austria's Dominic Thiem REUTERS/Jaimi Joy

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 13, 2021 Czech Republic's Karolina Muchova signs her autograph on the TV camera after winning her third round match against Czech Republic's Karolina Pliskova REUTERS/Jaimi Joy

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 12, 2021 Japan's Naomi Osaka signs autographs for fans after winning her third round match against Tunisia's Ons Jabeur REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 11, 2021 Spain's Rafael Nadal signs autographs for fans after winning his second round match against Michael Mmoh of the U.S. REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 10, 2021 Australia's Nick Kyrgios signs autographs for fans after winning his second round match against France's Ugo Humbert REUTERS/Asanka Brendon Ratnayake

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 10, 2021 Japan's Naomi Osaka signs autographs for fans after winning her second round match against France's Caroline Garcia REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 10, 2021 Serbia's Novak Djokovic signs an autograph after winning his second round match against Frances Tiafoe of the U.S. REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 9, 2021 Greece's Stefanos Tsitsipas signs autographs for fans after winning his first round match against France's Gilles Simon REUTERS/Asanka Brendon Ratnayake

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 9, 2021 Italy's Matteo Berrettini signs autographs for fans after winning his first round match against South Africa's Kevin Anderson REUTERS/Jaimi Joy

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 9, 2021 Spain's Rafael Nadal signs autographs after winning his first round match against Serbia's Laslo Djere REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 9, 2021 Spain's Rafael Nadal signs autographs after winning his first round match against Serbia's Laslo Djere REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 8, 2021 Germany's Alexander Zverev signs autographs for fans after winning his first round match against Marcos Giron of the U.S. REUTERS/Asanka Ratnayake

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 8, 2021 Germany's Alexander Zverev signs autographs for fans after winning his first round match against Marcos Giron of the U.S. REUTERS/Asanka Ratnayake

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 8, 2021 Austria's Dominic Thiem signs autographs for fans after winning his first round match against Kazakhstan's Mikhail Kukushkin REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 8, 2021 Serena Williams of the U.S. signs her autograph on the TV camera after winning her first round match against Germany's Laura Siegemund REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 8, 2021 Japan's Naomi Osaka signs her autograph on the TV camera after winning her first round match against Russia's Anastasia Pavlyuchenkova REUTERS/Loren Elliott

Tennis - Australian Open - Melbourne Park, Melbourne, Australia, February 8, 2021 Japan's Naomi Osaka signs autographs for fans after winning her first round match against Russia's Anastasia Pavlyuchenkova REUTERS/Loren Elliott

Tennis - Yarra Valley Classic - Melbourne Park, Melbourne, Australia, February 7, 2021 Australia's Ashleigh Barty signs autographs for fans after winning the Yarra Valley Classic in her final singles match against Spain's Garbine Muguruza REUTERS/Kelly Defina

Tennis - ATP Cup - Melbourne Park, Melbourne, Australia, February 7, 2021 Russia's Andrey Rublev signs autographs for fans after winning his final singles match against Italy's Fabio Fognini REUTERS/Loren Elliott

Anne Copeland holds an autographed bobble head of retired Buccaneers defensive tackle Warren Sapp in her Bucs tribute room at her home in Tampa, Florida, U.S., February 6, 2021. REUTERS/Nathan Frandino

Mini helmet autographed by Tampa Bay Buccaneers wide receiver Mike Evans sits on a shelf in lifelong Bucs fan Anne Copeland's tribute room at her home in Tampa, Florida, U.S., February 6, 2021. REUTERS/Nathan Frandino

Tennis - Yarra Valley Classic - Melbourne Park, Melbourne, Australia, February 5, 2021 Japan's Naomi Osaka signs her autograph for fans after winning her quarter final match against Romania's Irina-Camelia Begu REUTERS/Loren Elliott

Tennis - ATP Cup - Melbourne Park, Melbourne, Australia, February 5, 2021 Serbia's Novak Djokovic signs autographs for fans after winning his group stage match against Germany's Alexander Zverev REUTERS/Jaimi Joy

Tennis - ATP Cup - Melbourne Park, Melbourne, Australia, February 5, 2021 Serbia's Novak Djokovic signs autographs for fans after winning his group stage match against Germany's Alexander Zverev REUTERS/Jaimi Joy

Tennis - ATP Cup - Melbourne Park, Melbourne, Australia - February 3, 2021 Australia's John Millman signs his autograph for fans after winning his group stage match against Greece's Michail Pervolarakis REUTERS/Kelly Defina

Tennis - Yarra Valley Classic - Melbourne Park, Melbourne, Australia, February 3, 2021 Serena Williams of the U.S. signs her autograph for fans after winning her match against Bulgaria's Tsvetana Pironkova REUTERS/Loren Elliott

Tennis - ATP Cup - Melbourne Park, Melbourne, Australia, February 2, 2021 Serbia's Novak Djokovic signs autographs for fans after his group stage doubles match with Filip Krajinovic against Canada's Denis Shapovalov and Milos Raonic REUTERS/Loren Elliott

Thailand's King Maha Vajiralongkorn autographs a portrait brought it by royalists as Queen Suthida looks on during their appearance in Bangkok, Thailand, November 25, 2020. REUTERS/Chalinee Thirasupa

Thailand's King Maha Vajiralongkorn autographs a portrait brought it by royalists as Queen Suthida looks on during their appearance in Bangkok, Thailand, November 25, 2020. REUTERS/Chalinee Thirasupa

A book stating "Naughty and Nice" rests next to Santa Claus who autographs a book entitled "An Interview with Santa" for visitors at the Exton Square Mall in Exton, Pennsylvania, U.S. November 14, 2020. REUTERS/Mark Makela

Former Bolivian President Evo Morales signs an autograph to a supporter after attending a news conference, as Bolivians vote in presidential election, in Buenos Aires, Argentina October 18, 2020. REUTERS/Agustin Marcarian

Tennis - ATP Masters 1000 - Italian Open - Foro Italico, Rome, Italy - September 19, 2020 Serbia's Novak Djokovic signs his autograph on a camera after winning his quarter final match against Germany's Dominik Koepfer Pool via REUTERS/Riccardo Antimiani

Pope Francis signs autographs as he arrives at the San Damaso courtyard for the weekly general audience at the Vatican, September 16, 2020. REUTERS/Yara Nardi

Headache Stencil, a graffiti artist signs autographs for a fan during his exhibition at The Foreign Correspondents' Club of Thailand (FCCT) in Bangkok, Thailand, July 31, 2020. Picture taken July 31, 2020. REUTERS/Chalinee Thirasupa

U.S. President Donald Trump smiles as he prepares to autograph a plaque commemorating the construction of the 200th mile of border wall while visiting the wall on the U.S.-Mexico border in San Luis, Arizona, U.S., June 23, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump is applauded by Arizona Governor Doug Ducey, U.S. Senator Martha McSally (R-AZ), U.S. Rep. Debbie Lesko (R-AZ), U.S. Border Patrol Chief Rodney Scott and others after autographing a plaque on the U.S.-Mexico border wall in San Luis, Arizona, U.S., June 23, 2020. REUTERS/Carlos Barria

U.S. President Donald Trump prepares to autograph a plaque commemorating the construction of the 200th mile of border wall while visiting the wall on the U.S.-Mexico border in San Luis, Arizona, U.S., June 23, 2020. REUTERS/Carlos Barria