Casey talks about the Mariners series split with the Boston Red Sox, their upcoming road series against the Yankees and Red Sox, and how they may have ceded their hold on the AL West lead for good. He also talks to Eno Sarris about an article he wrote for The Athletic about Marco Gonzales changing his pitch mix and release point to be more effective. http://traffic.libsyn.com/nasorb/TCMS_103b.mp3…