When a team's season comes down to a must-win game, there is no margin for error.
Without getting off to a strong start, you're finished.
Managers of the 2012 contenders would be elated to have access to any of these past and present hurlers.
Generally, pitchers who triumph in pressure matchups share two qualifications—experience and excellent command. Their objective is not necessarily to toss a perfect game, but to keep it competitive.
After considering all the top starters in MLB history, I've settled on the 20 most trustworthy.