Stephen Strasburg
On December 8, 2011, Colvin was traded along with DJ LeMahieu to the Colorado Rockies for Casey Weathers and Ian Stewart. On July 6, 2012, he became the first player to hit two home runs in the same game against pitcher Stephen Strasburg during a 5-1 win over the Washington Nationals. Colvin hit 18 home runs for the Rockies in 2012.