6. Billy Williams 1961
Cubs legend Billy Williams set the tone for his illustrious career in 1961, when he took home the rookie of the year award after crushing 25 home runs, driving in 86 and posting a fantastic OPS of .835. Williams was one of the best sluggers in Cubs history and his 392 home runs with the team rank third in franchise history behind Sammy Sosa (545) and Ernie Banks (512).
In addition to his power, Williams was known for his durability and he played at least 160 games in eight different seasons. In addition to rookie of the year, Williams' accolades include a batting title (1972), 6 All-Star appearances, his uniform No. 26 retired, and an induction into the Baseball Hall of Fame in 1987.
Williams and Hubbs are the only Cubs players to win back-to-back rookie of the year awards.