The Aroldis Chapman market is going to be interesting to judge. The Mariners are the latest team to jump seriously into the bidding, possibly hoping to have another front-line arm so they can deal Felix Hernandez (above) before he reaches free agency. The Cubs and White Sox have expressed interest, but it's unclear if they have the resources to compete with the Yankees, Red Sox, Cardinals, Mets, Tigers, Orioles and others for the Cuban with the 100 mph fastball. … Bobby Valentine ma...