Complex sentence: As a result of persistent groin injury, Justice saw his production slide considerably in 2001, and he was traded to the New York Mets on December 7,2001 for 3B Robin Ventura.
Split into simpler sentences: As a result of persistent groin injury, Justice saw his production slide considerably in 2001. The Yankees traded Justice to the New York Mets on December 7,2001 for 3B Robin Ventura.