Source - ICC
The star Indian all-rounder who was pivotal for the Indian team for over a decade and a half for his batting, bowling and fielding abilities, was a huge role in the success that awaited the Indian team in the form of the 2007 T-20 world cup and the 2011 ODI world cup. During the 2011 world cup Yuvraj Singh was undergoing early symptoms of lung cancer, he braved the pain and played through the world cup before finally lifting the prized trophy for India. Soon after the world cup he was diagnosed with lung cancer and had to miss a lot of time away from the game. Once he successfully battled the disease he came back to cricket and soon became an integral part of the Indian team once again.
Source - Cricket.com
2015 world cup winning captain Michael Clarke, too had a run-in with the dreaded disease of cancer, when in the year 2006 he was diagnosed with early symptoms of Skin Cancer. Early diagnosis and timely treatment meant that Pup as he is fondly called did not have any long term health complications and he continued to play cricket and went on to captain his country to great heights which culminated in him winning the world cup in 2015.
Source - The Guardian
Between dealing with high-profile personal problems off the golf course and numerous injuries over his career, golfer Tiger Woods had a lot to come back from. After missing nearly two years while dealing with those personal issues and back injuries, Woods reached the mountain top again. In April 2019, Woods won The Masters to earn his 15th-career major championship win. While Woods had previously won his first tournament in five years at the Tour Championship in September 2018, the win at the Masters was his first major in 11 years. After dealing with back injuries that he thought may end his career, Woods was able to win his fifth Masters' green jacket at Augusta-the same place where he won his first major in 1997.
Petr Cech wasn't just in danger of losing his career from a now-infamous collision with Reading's Stephen Hunt in 2006, he was at risk of losing his life after the sickening impact left the then Chelsea goalkeeper with a depressed skull fracture. It makes his return to the top even more remarkable. Cech was back on the field just three months after and wasted little time in re-establishing himself as one of the very best goalkeepers in the world. In 2015, having since joined Arsenal, he broke the Premier League's all-time clean sheet record and is widely regarded as one of English football's greatest ever foreign imports,
Source- Football Times
The phenomenal Brazilian encountered his first issues at PSV Eindhoven while still a teenager. It was during his time at Inter Milan that true miracles happened. Ronaldo was forced to miss the best part of three years from 1999 but still made the Brazil squad for the World Cup in 2002. Unbelievably, he exploded back into life, scoring eight times at the finals as Brazil lifted the trophy, while also exorcizing his own personal demons from the 1998 tournament. Ronaldo then went on to score 85 goals in the next three seasons with Real Madrid and later became the World Cup's all-time top goalscorer in 2006.
Source- Vanity Fair
She is one of the greatest tennis players in the history of the game, and you may never have guessed that she had to deal with recurring shoulder and knee injuries throughout her whole career. In 2015 and 2016, she had to drop out of tournaments because of injuries, but when she returned, she went on to win the Australian Open in 2017 and set the all-time record for grand slam singles titles. She has been ranked No. 1 in singles on eight separate occasions between 2002 and 2017.
Source- DNA India
Halfway through the 1999 Formula One season it appeared as if Michael Schumacher would finally deliver Ferrari a first world title since 1979. But when the Germans brakes failed and he slammed into the tyre wall at the British Grand Prix, he suffered a broken leg and his season was over. Teammate Eddie Irvine then took over Ferrari's title charge and Schumacher returned to help him out in the Malaysian Grand Prix before letting the Irishman win to lead the championship with a round remaining. Alas Irvine couldn't finish the job and Mika Hakkinen took the title in the final round, but Schumacher delivered the title Ferrari craved the following season.