A longtime friend of Tiki Barber says his wife Ginny made him afraid he'd suffer a catastrophic injury that would turn him into a dad that cannot play with his children. The 205-pound running back is heading for the broadcasting booth at age 31 because his wife has been "nagging him for a long time - and with others present - that he'd better retire before he has a crippling injury," Barber's friend says. If that happened, Ginny told him, "he couldn't participate in raising his children."