Original sentence: He served as the second manager in the history of the New York Mets, taking over for the future Hall of Famer Casey Stengel in 1965 when Stengel broke his hip and was forced to retire
Edited sentence: He served as the second manager in the history of the New York Mets, taking over for the future Hall of Famer Casey Stengel in 1965 when Stengel, 76, broke his hip and was forced to retire