SAN DIEGO -- Baseball players are so constantly confronted with failure it can be difficult to discern whether the best way out of it is through perseverance or change.Sometimes stubbornly sticking it out is the best plan. Other times, it's a good way to find yourself sitting on your couch watching other guys play in August and September.Josh Beckett was smart enough to know it was time for something radical.The Detroit Tigers had started his season out on a bad footing back in April, knocking him out of the game by the fifth inning, having scored five times.