Sports GIFs | Gifrific

Mike Tyson Training

Heavyweight boxer Mike Tyson doing some shadowboxing in his early days.

A ball boy snags a ball from Roger Federer during a tennis match at the 2012 Australian Open in Melbourne, Australia.

Minnesota Vikings wide receiver Jerome Simpson jumps over Buffalo Bills safety Jairus Byrd during a 36-14 win in the second week

New York Yankees third baseman Eric Chavez accidentally hits pitcher Cody Eppley in the head with a baseball. Video.

A referee accidentally knocks of Chicago Bears quarterback Jay Cutler‘s helmet off during a game against the Pittsburgh Steelers. Source.

Kansas City Chiefs quarterback Matt Cassel jumps on his teammates only to fall to the ground during a game against

Michael Jordan misses dunk during the 1992 NBA Playoffs against the New York Knicks as a member of the Chicago

Australian hurdler Michelle Jenneke in the 100M hurdles at the 2012 World Junior Championships in Athletics in Barcelona. Video.

New York Jets quarterback Mark Sanchez goes out to the wide receiver position for a play only to be startled