Michael James Holtz (born October 10, 1972) is a former middle relief pitcher in Major League Baseball who played from 1996 through 2006 for the California Angels (1996), Anaheim Angels (1997–2001), Oakland Athletics (2002), San Diego Padres (2002), and Boston Red Sox (2006). He bats and throws left-handed.
|Born: October 10, 1972|
|August 11, 1996, for the California Angels|
|Last MLB appearance|
|May 16, 2006, for the Boston Red Sox|
|Earned run average||4.76|
Following the bulk of his major league career, Holtz played for the Yokohama BayStars of the Japanese Central League in 2005 and had a 0–1 mark with 4.38 ERA and 22 strikeouts in 24 ⅔ innings of work. He came back to the majors to pitch in three games for the Red Sox in 2006.