Complex sentence: Waddell's eccentric behavior led to constant battles with his managers and scuffles with bad-tempered teammates, and complaints from teammates forced his trade from the Philadelphia Athletics to the St. Louis Browns in early 1908 despite his importance to the team and his continued success.
Split into simpler sentences: Waddell's eccentric behavior led to constant battles with his managers and scuffles with bad-tempered teammates. Complaints from teammates forced his trade from the Philadelphia Athletics to the St. Louis Browns in early 1908 despite his importance to the team and his continued success.