Michael Joseph Sullivan (October 23, 1870 â June 14, 1906) was an American professional baseball player. He played in Major League Baseball as a right-handed pitcher from to for the Washington Nationals (1889), Chicago Colts (1890), Philadelphia Athletics (1891), New York Giants (1891 and 1896âÂÂ97), Cincinnati Reds (1892âÂÂ93), Washington Senators (1894), Cleveland Spiders (1894âÂÂ95) and the Boston Beaneaters (1899).
He led the National League in winâÂÂloss percentage (.750) in 1892.
In 10 seasons he had a 54âÂÂ65 winâÂÂloss record, 160 games (119 started), 99 complete games, 1 shutout, 40 games finished, 4 saves, innings pitched, 1,292 hits allowed, 892 runs allowed, 622 earned runs allowed, 45 home runs allowed, 568 walks allowed, 285 strikeouts, 18 hit batsmen, 76 wild pitches, a 5.04 ERA and a 1.674 WHIP.
Sullivan graduated from Boston University School of Law and served in the Massachusetts House of Representatives and Massachusetts Senate and for three terms on the Massachusetts Governor's Council. He was running for Congress as the representative of Massachusetts's 10th congressional district when he collapsed in the office of Boston Mayor John F. Fitzgerald and was pronounced dead at Boston City Hospital of a cerebral hemorrhage.