In no particular order 1. No Tyler Walker to blow late inning leads. Walker was one of the worst setup men in baseball last season. He never was a good pitcher to begin with and he was seriously fat and out of shape last season, but Bruce Bochy kept on sending him out in the 8th inning to blow leads. The bullpen will be much improved with free agents Bob Howry and Jeremy Affeldt.2. Barry Zito won't start off the season 0-8. Zito is in better shape this season after training in the offseas...