Mathias John Zeiser (sometimes spelled Zieser) (September 25, 1888 – June 10, 1942) was a professional baseball pitcher. He appeared in two games in Major League Baseball for the Boston Red Sox during the 1914 season, both as a relief pitcher. Zeiser batted and threw right-handed. He was born and died in Chicago, Illinois. In a two-game career, Zeiser posted a 1.80 earned run average with eight walks in 10 innings pitched. External links Baseball Almanac Major League Baseball pitchers Boston Red Sox players Lowell Grays players Scranton Miners players Chillicothe Babes players Huntington Babes players Maysville Angels players Ironton Nailers players South Bend Benders players Bloomington Bloomers players Evansville Evas players Terre Haute Tots players Rockford Rox players 1888 births 1942 deaths Baseball players from Chicago