This week On Deck, Tara Sledjeski and Anthony Pucik take anin-depth look at the New York Yankees and Mets. The Mets have beenon fire, but they now face new questions about Travis d'Arnaud'sfuture behind the plate as the catcher deals with another injury.Meanwhile, the Yankees have struggled and there are talks of LuisSeverino heading back to the minors. Tara and Anthony also take alook at what is happening around baseball and share who they thinkare the best hitter and pitcher in the sport.