Ehren Josef Wassermann (born December 6, 1980) is a former professional baseball player who is currently a science teacher and pitching coach at Hoover High School.
He used to be a pitching coach for the Windy City ThunderBolts of the independent Frontier League and the Minnesota Twins Gulf Coast Minor League team.
A right-handed sidearm pitcher, Wassermann made his Major League Baseball debut with the White Sox on July 20, 2007, against the Boston Red Sox at Fenway Park, retiring both batters faced.