Complex sentence: Torrey quickly forged a reputation as a shrewd executive, and his deals propelled the Seals from laughingstock to playoff contenders in his 2 plus seasons in Oakland, but quickly soured on the experience, due to constant interference provided by owner Charlie Finley.
Split into simpler sentences: Torrey quickly forged a reputation as a shrewd executive, and his deals propelled the Seals from laughingstock to playoff contenders in his 2 plus seasons in Oakland. He quickly soured on the experience, however, due to constant interference provided by owner Charlie Finley.