Cam Schlittler’s bicep encapsulates his rise to Yankees X-factor

To understand the overwhelming nature of the stuff, check the faces of baffled Red Sox hitters, the 18 whiffs, the fastball that averaged — averaged — 98.9 mph and exceeded 100 mph 11 times. 

Cam Schlittler’s postseason debut was a masterpiece in which he blazed his way through the Boston lineup for eight scoreless innings with 12 strikeouts and no walks — the first pitcher in MLB postseason history with that statline.

To understand the willpower behind the person, check Schlittler’s bicep.

“I still feel it now,” Schlittler said, running his left hand over his right arm. “I got a little bump.”