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It's Jonathen Papelbon and Daniel Bard against newcomers Ryan Madson and Antonio Bastardo with Brad Lidge playing the role of wild card.
When it comes to the closers, both have blown just one save all season, with Madson posting a very Philly-like 2.19 ERA in the process. Papelbon is no slouch in this category either, sporting a nice 3.02 earned run average.
Philadelphia's eighth-inning man isn't to be forgotten either. When Madson went on the disabled list, Bastardo came in and held down the fort at closer, recording five saves in as many opportunities.
Bard hasn't been called upon in the ninth much for Boston, but he's had an impressive year nonetheless, posting two months straight without giving up an earned run in June and July.
Then there's Brad Lidge, the former Phillies closer. Spending much of the year on the DL, Lidge has been impressive in his 6.2 innings of work, with just one earned run allowed during that time span.
The bullpens are nearly identical when it comes to the last two innings, but with Lidge looking to be back to his old self, the Phillies edge this one out.