If you think Michael Crabtrees issues with the Seattle Seahawks in general, Richard Sherman in particular, began in the NFC title game last season, think again. They might have just reached a crescendo with Shermans rant about Crabtree.Im the best corner in the game, he said after tipping away a potential game-winning fade pass from Colin Kaepernick to Crabtree in the end zone and turning it into a game-sealing interception.When...