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Brett Butler
Brett Morgan Butler (born June 15, 1957) is a former center fielder in Major League Baseball and current base running/outfield coach for the Miami Marlins. He played for five different teams from 1981 through 1997. Butler's best season came in 1991, when he made the National League All-Star team. He was diagnosed with cancer in May 1996, received treatment and returned to the playing field four months later. He retired in 1997 and began a baseball coaching career. He has coached or managed numerous professional teams. He was the manager of the Reno Aces minor league team from late 2008 through 2013.
Source: Wikipedia