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Mark O’Brien

  • Age: 51
  • P
IP 233
ERA 4.094
WHIP 1.343
BB/9 3.129
SO/9 7.532
  • Full name Mark W O'Brien
  • Born 03/02/1973 in
  • Profile Ht.: 5'11" / Wt.: 170 / Bats: R / Throws: L
  • Drafted in the 5th round (144th overall) by the Texas Rangers in 1991.

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