Yesterday marked the fiftieth anniversary of the day the Boston Red Sox became an integrated team, when Pumpsie Green was sent in as a pinch runner. Howard Bryant, author of Shut Out: A Story of Race and Baseball in Boston, writes about the anniversary at ESPN, noting that not only did the team pass on signing Jackie Robinson--the first African-American player in Major League Baseball-- they didn't even integrate until after Robinson retired from the game, and were the last team in baseball to do so. Read Bryant's piece at ESPN here.