John O'Brien (minors)
From BR Bullpen
- Bats Right, Throws Right
- Height 6' 4", Weight 220 lb.
- School Oral Roberts University
The brother of Charlie O'Brien, first baseman John O'Brien was selected by the St. Louis Cardinals in the 34th round of the 1991 amateur draft. He played three seasons in the minors but never made it to the majors.

