In an exclusive interview with Mike Puma of The Post, Billy Wagner says he has thrown his last pitch as a Met. The All-Star closer, whose contract with the Amazin’s runs only through next season with a team option for 2010 that won’t be picked up, spoke to Puma after undergoing Tommy John surgery on his left arm Wednesday. Meanwhile, on the pseudo anniversary of an epic collapse last season that started with 17 games to play, colleague Mike Vaccaro offers 17 reasons why it won’t happen again.

Having as many as five potential Hall of Famers on the roster could help the Mets avoid a repeat.

In the notebook, reliever Brian Stokes is hoping to bounce back after a rough outing. There is also an item on Ramon Castro.