There are many examples of sportsmen and women who, having decided to call it a day, get drawn back into competing.
Some do it because they’re bored, others because they miss the competition, others, well, because they miss the money!
We’ve taken a look back at some of the greatest athletes who have unretired and made comebacks to professional sport.
Robert Kubica and the other athletes who amazingly came out of retirement
The Formula One star spent five seasons in the sport, driving first for BMW Sauber, and later for Renault in 2010. A serious accident in the off-season whilst competing in a rally race nearly resulted in the loss of the Pole’s right arm. Having competed in the World Rally Championship since that accident, the now 33-year-old is, amazingly, set to return to the F1 grid with Williams.
After losing to Jimmy Young in 1977, Foreman says he had a near-death experience in the locker room and he became a born-again Christian. Ten years later, he came out of retirement, mainly to raise money for the youth centre he had created. He won a lot of fights before losing on points to Heavyweight Champion Evander Holyfield in 1991. The loss did not deter Foreman and he went on to win the world title from Michael Moorer in 1994, aged 45.
Before the 1991–92 NBA season, Earvin ‘Magic’ Johnson discovered that he had tested positive for HIV and retired from the NBA. However, fans still voted him as part of the 1992 All-Star game, so he decided to take part. He also played in the Olympics for the USA before announcing his return to the NBA for the following season
Justine Henin had won seven major titles, an Olympic gold medal and was ranked as the best player in the world when she retired in 2008. She came back to play competitive tennis after 16 months out and made it to the Australian Open final where she lost to Serena Williams. Henin injured her elbow at Wimbledon later that year, an injury that eventually forced her to retire once again.
Brett Favre almost retired about three times before he actually ended his career for good. The most notable ‘retirement’ saw him leave the Green Bay Packers in 2008. He played for the New York Jets for a season before retiring again. However, he changed his mind once again and joined Green Bay’s fierce rivals the Minnesota Vikings. He actually had one of the best seasons of is career in Minnesota but injury finally ended his career aged 40.
In 1993, Michael Jordan shocked the world when he retired from the NBA to play baseball. He returned in 1995 and helped the Chicago Bulls win three straight NBA titles. He retired again after the 1997/98 season but came back again in 2001/02 to play for the Washington Wizards for two seasons before finally quitting for good.
After the 2006 Formula 1 season, seven-time world champion Michael Schumacher retired from the sport. However, he came back in 2010 and raced for a further three seasons for Mercedes.
After losing to Chuck Liddell in 2006, former UFC World Champion Randy Couture retired from the sport. However, in 2007, he came back to fight Tim Sylvia and defeated him for the UFC Heavyweight Championship. He fought a further seven times, winning four and losing three bouts.
In 2012, after winning an amazing 18 Olympic Gold medals, Michael Phelps decided to retire from swimming. However, in April 2014, he came back and competed in the Pan Pacific Swimming Championships where he won a further three gold medals.
After beating Ken Norton in 1976, Muhammad Ali retired. However, it was a short-lived break as he returned eight months later to beat Alfredo Evangelista. In 1978, he beat Leon Spinks and retired again, but came back two years later to fight Larry Holmes, but he lost heavily. He also lost to Trevor Berbick in 1981 before finally retiring.
Deion ‘Prime Time’ Sanders is one of the greatest defensive back in NFL history. After retiring in 2001, he came back in 2004 at the age of 37 and played two years with the Baltimore Ravens and although he wasn’t at his elite level, he still performed well.
Pittsburgh Penguins legend Mario Lemieux retired from hockey in 1997 and actually invested in the team in 1999 as they almost went bankrupt. He returned back in 2000 and played for a further six years, winning Olympic Gold in 2002.
After retiring from football in 1972, Pele took three years out before coming back to the game in 1975 to play for the New York Cosmos. He played for two years, helping New York win a title, before retiring for good in 1977.
Lance Armstrong retired from cycling in 2005 after winning his seventh Tour de France title. He came back a few years later and finished third in the 2009 Tour de France. He went on to admit that he’d taken performance-enhancing drugs throughout his cycling career and was stripped of his titles.
In May 2011, Paul Scholes retired from football and joined Manchester United’s coaching staff. However, in January 2012, the club were hit by an injury crisis and Scholes came out of retirement. He played for the rest of that season then agreed to play one more year, in which he helped guide United to another Premier League title.