John Thomas O'Brien (born December 11, 1930) is an American backup second baseman and pitcher in Major League Baseball. He played for the Pittsburgh Pirates (1953, 1955–58), St. Louis Cardinals (1958) and Milwaukee Braves (1959). O'Brien batted and threw right-handed.
References[change | change source]
- Marazzi, Rich; Fiorito, Len (2003). Baseball Players of the 1950s: A Biographical Dictionary of All 1,560 Major Leaguers. McFarland. p. 284. ISBN 9780786446889. Retrieved 27 December 2017.