Rays' Glasnow blames MLB for UCL injury

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Tampa Bay Rays ace pitcher Tyler Glasnow was placed on the 10-day injured list after an MRI confirmed a partially torn ulnar collateral ligament and a flexor tendon strain.

Glasnow criticized Major League Baseball's decision to enforce the rules on foreign substances midseason and believes the sudden adjustment to his delivery contributed to the injury.

"Me throwing a 100 mph and being (6-foot-7) is why I got hurt but that contributed," Glasnow said on a videoconference with reporters. "I'm frustrated that they don't understand how hard it is to pitch, and to tell us to do something completely different in the middle of the season is insane. It's ridiculous.

"Do it in the offseason. Give us a chance to adjust to it. But I just threw 80 innings, then you tell me I can't use anything in the middle of the year. I have to change everything I've been doing the entire season. I'm telling you I truly believe that's why I got hurt."

Glasnow said he was sore after he stopped using sunscreen and tightened his grip in advance of Major League Baseball's initiative to prohibit applying foreign substances to baseballs.

The MLB announced that starting June 21, pitchers will be subject to random checks regardless of whether an opposing manager makes a request and could face ejections, fines and 10-game suspensions if found with any foreign substances on them or in their gloves.

"I switched my fastball grip and my curveball grip," Glasnow said. "I had to put my fastball deeper into my hand and grip it way harder. Instead of holding my curveball at the tip of my fingers, I had to dig it deeper into my hand.

"Waking up after that start, I was like 'this sucks,'" Glasnow said. "Something is weird here. That same feeling is persisting all week long. I go into my start yesterday (Monday) and that same feeling (is there), it pops or whatever the hell happened to my elbow. I feel it. Something happened."

Glasnow left his start on Monday against the Chicago White Sox after four innings and 53 pitches. He was flexing his forearm as he walked off the mound, and reliever Ryan Thompson began warming up in the top of the fifth inning.

Glasnow, 27, is considered one of the best starting pitchers in baseball with a 5-2 record and 2.66 ERA in 88 innings this season. The Rays recalled infielder Mike Brosseau from Triple-A Durham to replace Glasnow on the active roster.