Matt Williams, American baseball player and manager
Matthew Derrick Williams (born November 28, 1965), nicknamed "Matt the Bat" and "The Big Marine" is an American professional baseball manager and former third baseman who is the third base coach for the San Diego Padres.. A right-handed batter, Williams played in Major League Baseball for the San Francisco Giants, Cleveland Indians, and Arizona Diamondbacks. He managed the Washington Nationals from 2014 to 2015.

Williams played in a World Series for each of the teams he played for (1989 with the Giants, 1997 with the Indians, and 2001 with the Diamondbacks in which he won over the New York Yankees). During these years, Williams became the only player to hit at least one World Series home run for three different Major League baseball teams. During his career, Williams had an overall batting average of .268, with 378 home runs and 1218 runs batted in (RBIs). He scored 997 Major League runs, and he accumulated 1878 hits, 338 doubles, and 35 triples, while playing in 1866 regular-season games.