He played in Major League Baseball (MLB) for the Los Angeles Dodgers, Minnesota Twins and Boston Red Sox.

A High School All-American infielder, he was drafted by the Los Angeles Dodgers in the 1st round of the 1999 Major League Baseball Draft, Repko skipped his high school graduation ceremony and passed on a scholarship with San Diego State University to sign with the Dodgers.

Repko hit .272 for Vero Beach, with 9 homers and 29 steals that season and was selected to the Florida State League All-Star team.

Repko never received much playing time after returning, buried behind the outfield rotation of J. D. Drew, Kenny Lofton, Andre Ethier, Marlon Anderson, and Matt Kemp.

In 2009, he played with the AAA Albuquerque Isotopes and then appeared in 10 games with the Dodgers in September, primarily as a pinch runner or late inning defensive replacement.

Repko started the season in Triple A Pawtucket before being called up April 15 due to the injuries of Carl Crawford and Jacoby Ellsbury.