Donald Rex Murphy (born March 10, 1983) is an American former professional baseball infielder. He attended Riverside Polytechnic High School and Orange Coast Community College in Costa Mesa, California, and was selected by the Kansas City Royals in the 5th round of the 2002 Major League Baseball draft. He is currently the manager for the Class A-Advanced Dunedin Blue Jays, a position he was named to in 2020 after spending several years as a hitting coach in the Toronto Blue Jays organization. Career Kansas City Royals In and , he appeared in 39 games for the Royals, hitting .163 with one home run and eleven RBI. He was acquired by the Oakland Athletics in exchange for cash considerations on November 28, 2006. Oakland Athletics He began the season at Sacramento, the A's Pacific Coast League Triple-A affiliate. He hit .342 for the River Cats and was recalled to Oakland June 8 when Milton Bradley was placed on the disabled list. Baltimore Orioles Murphy was signed by the Baltimore Orioles to a minor league deal with a spring training invitation for the 2009 season. Florida/Miami Marlins On December 14, 2009, Murphy signed a minor league contract with the Florida Marlins with an invitation to spring training. He was called up on July 3, 2010. He hit a walk-off home run to defeat the Colorado Rockies on July 19, 2010. It was the first walk-off home run by the Marlins that season. Continuing to play with the Marlins in a utility role, Murphy's season was cut short on September 1 when he dislocated his right wrist on a tough catch in the fourth inning. He had surgery the following day, ending one of his most successful seasons. Murphy became a free agent on October 15 after refusing a minor league assignment. He was re-signed to a minor league contract on October 18. In 2012, Murphy ended up on the 25-man roster for the Marlins going into opening day. On June 10, 2012, the Marlins designated Murphy for assignment to make room for Gaby Sánchez. He passed waivers and was sent to the New Orleans Zephyrs. On July 27, he was recalled by the Marlins after a trade sent Hanley Ramírez and Randy Choate to the Los Angeles Dodgers for Nathan Eovaldi and Scott McGough. On August 3, he pulled his left hamstring against the Washington Nationals. Five days later, he was placed