JP Howell Share definition Flag The best relief pitcher in the American Leauge, and the de-facto closer of the Tampa Bay Rays. When JP comes in, things get chilled very quickly. He is pretty much unhittable. JP in, game chilled.JP Howell > Jonathan Papelbon > Mariano Rivera JP Howell by acablue1 July 21, 2009 0 0 Get merch Get the JP Howell mug. Buy Now — $32.95 See more merch
