Cecil Celester Cooper (born December 20, 1949) is an American former professional baseball player, coach, manager and sports agent. He played in Major League Baseball as a first baseman from 1971 to 1987 for the Boston Red Sox and the Milwaukee Brewers. Cooper was a member of the Red Sox team that won the 1975 American League pennant but he rose to prominence as a member of the Brewers, where he became a five-time American League All-Star player and a two-time American League RBI champion. During his playing career, the left-handed hitting Cooper accumulated a .298 batting average and won three Silver Slugger Awards as well as two Gold Glove Awards. He reached the World Series in 1975 with the Red Sox and 1982 with the Brewers however, neither team was victorious. In 1983, Cooper was named the recipient of the prestigious Roberto Clemente Award. After his athletic career, he became a sports agent before returning to work for the Brewers as a coach and minor league manager. He was the manager for the Houston Astros from 2007 to 2009. Cooper was inducted into the Milwaukee Brewers Walk of Fame in 2002, and the Milwaukee Brewers Wall of Honor in 2014.