See also: 1928 in sports, other events of 1929, 1930 in sports and the list of 'years in sports'.

Baseball

• January 22: The New York Yankees announce they will put numbers on the backs of their uniforms, becoming the first baseball team to engage in continuous use of numbers. The first numbers are based on fielding positions in the batting order thus, Ruth will wear number 3 and Gehrig 4. By 1931 all AL teams will use them; it will be 1933 before all NL players are numbered.

Football (American)

• Green Bay Packers win National Football League title

Football (Australian Rules)

• Victorian Football League
  • Collingwood wins the 33rd VFL Premiership (Collingwood 11.13 (79) d Richmond 7.8 (50))
  • Brownlow Medal awarded to Albert Collier (Collingwood)

Ice Hockey

• Stanley Cup: Boston Bruins defeat New York Rangers 2-0

• • March 28 New York Rangers 0 2 at Boston Bruins
  • March 29 Boston Bruins 2 1 at New-York Rangers

Snooker

• World Snooker Championship: Joe Davis beats Tom Dennis 19-14