George J. O'Brien
George O'Brien compiled a career batting average of with home runs and RBI in his -game career with the St. Paul Freezers, Milwaukee Brewers, Rockford, Peoria Reds, Wheeling Nailers and Marinette Badgers. He began playing during the 1886 season and last took the field during the 1892 campaign.
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Minor League Service:
|Year||Level||League||Team||Affiliation||First Appearance||Final Appearance|
|1886||Northwestern League||St. Paul Freezers|
|1886||Northwestern League||Milwaukee Brewers|
|1888||Ind||Central Inter-State League||Rockford|
|1888||Ind||Central Inter-State League||Peoria Reds|
|1890||Tri-State League||Wheeling Nailers|
|1891||Ind||Wisconsin State League||Marinette Badgers|
|1892||Michigan-Wisconsin League||Marinette Badgers|
Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.