Over the weekend, the New York Mets and the Seattle Mariners closed a long-gestating agreement to exchange money, pro talent, and young assets.The Ms continued their descent into Tank City by unloading slugger Robinson Cano and his $120 million contract along with cheap All-Star closer Edwin Diaz in exchange for less expensive but less good slugger Jay Bruce, more expensive and way less-good reliever Anthony Swarzak, outfielder Jarred Kelenic, and pitching prospects Justin Dunn and Gerson Bautis[...]