In 1915, Bush, along with Detroit's all-star outfield of Ty Cobb, Sam Crawford, and Bobby Veach, helped lead the Tigers to a 100-54 record and a second-place finish in the American League. Bush again led all American League players with 703 plate appearances and 504 assists and was again among the league leaders with 118 bases on balls (2nd), 99 runs (6th), 35 stolen bases (8th), 340 putouts at shortstop (2nd), 61 double plays turned at shortstop (2nd), 5.45 range factor at shortstop (2nd), and 57 errors (2nd).