Yankees should take serious look at status of Dallas Keuchel

TAMPA — Step 1 is to stay in the loop. The Yankees’ heretofore tranquil spring training took a notable turn for the worse Tuesday afternoon when Luis Severino’s first scheduled Grapefruit League start got replaced by an unscheduled MRI exam, after the right-hander snapped a slider and felt right shoulder discomfort in his pregame warm-up….