[3] The Bradford Drillers, DuBois Miners, Erie Sailors, Hornell Pigmies, Kane Mountaineers, Olean Refiners and Punxsutawney Policemen teams joined Oil City in beginning league play on May 14, 1906.
[4][5] Oil City and the other Interstate League franchises operated with a team salary cap of $750 per month for the total roster.
The Bradford Drillers, Franklin Millionaires, DuBois Miners, Erie Fishermen, Kane Mountaineers, Olean Oleaners and Punxsutawney Policemen teams joined the Cubs in continuing Interstate League play, with the schedule beginning on May 15, 1907 and many changes to occur during the upcoming season.
[6] Jake Weimer, who played for DuBois and then Oil City, won the Interstate League batting title with a .338 average.
[13] The Oil City Cubs ended their 1908 season with a record of 6–13, placing fifth in the overall Interstate League standings.
Rexford served as the Oil City manager, as the team ended the season 10.0 games behind the first place Olean Candidates.
[2][16][17] The Oil City teams hosted Interstate League home games at the Sedwick Grounds.