Editor’s Note: The Sentinel sports staff is putting together a summer series looking at the legacies of the most influential African-American athletes in history. Today: Curt Flood.Curt Flood was one of the greatest centerfielders in baseball history.Anything hit in his vicinity was going to be caught by the seven-time Gold Glove award winner.Flood could also hit, batting .293 for his career and leading the league in hits in 1964 to help the St. Louis Cardinals to a World Series title.He