- Mar 2 Major League Baseball confirms the postseason will be expanded from 8 to 10 teams, with an extra wild card team in each league
- Mar 2 NFL establishes existence of a bounty program at the New Orleans Saints 2009-11; players given incentives to injure opposition; coach Sean Payton is suspended for 2012 season
Cricket History
Mar 9 Indian batsman Rahul Dravid announces his retirement from Test and domestic cricket
Cricket History
Mar 16 Indian batsman Sachin Tendulkar becomes first cricketer to score 100 international centuries
- Mar 17 Bolton Wanderer footballer Fabrice Muamba collapses and is rushed to hospital during a live football match against Tottenham Hotspur
- Mar 17 Wales beats France, 16-9 at Millennium Stadium, Cardiff to wrap up the Grand Slam and win the Six Nations Rugby Championship; Welsh fullback Leigh Halfpenny kicks 3 penalties and a conversion
- Mar 18 Superleague Greece football match between Olympiacos and Panathinaikos is abandoned after fans set fire to Athens' Olympic Stadium
- Mar 21 Sergio Agüero & Samir Nasri score to give Manchester City 2-1 win over Chelsea at City of Manchester Stadium; EPL record 20th consecutive home win; streak ends with 3-3 draw v Sunderland 31/3
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions