Michael James Holtz (born October 10, 1972) is an American former professional baseball middle relief pitcher who played from 1996 through 2006 for the California / Anaheim Angels (1996–2001), Oakland Athletics (2002), San Diego Padres (2002), and Boston Red Sox (2006). He bats and throws left-handed.

In an eight-season career, Holtz posted a 16–19 record with a 4.76 ERA and three saves in 353 relief appearances.

Following the bulk of his Major League Baseball (MLB) 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+2⁄3 innings of work. He came back to the majors to pitch in three games for the Red Sox in 2006.

External links

• Career statistics and player information from MLB, or ESPN, or Baseball Reference, or Fangraphs, or Baseball Reference (Minors), or Retrosheet
• Nippon Professional Baseball career statistics from JapaneseBaseball.com
• Boston Globe
• Japanese cards