Update July 9, 5:30 p.m.
Manager Terry Collins reiterated that Noah Syndergaard was simply dealing with fatigue Friday night. There are no plans for Syndergaard to undergo further testing.
"I've never seen anything like that before when there's been no ill feeling beforehand." pitching coach Dan Warthen said, referring to Syndergaard's sudden velocity drop before exiting his start.
Syndergaard has been ruled out for the All-Star Game but still plans to attend the festivities.
Original report from July 8
Mets RHP Noah Syndergaard left Friday's night game early with arm fatigue, which is not elbow related, the team said.
"He just said his arm went dead," manager Terry Collins explained after the game. "It got tired on him."
Syndergaard's fastball hit 91 mph, which Collins said alarmed him and pitching coach Dan Warthen enough to pull their pitcher from the game.
"I think it's just that time of the year, my first full season in the big leagues," Syndergaard added. "I've thrown a lot of pitches. I've thrown a lot of innings so far. I just think it's a little bit of fatigue. There's no pain. There's no discomfort in my elbow regarding the spur. I felt like I could still go out there and pitch through that. It really boils down to a little shoulder fatigue."
The Mets revelaed last week that Syndergaard has a bone spur in the back of his pitching elbow, which he's been treating with anti-inflammatory medication.
"I've had two MRIs so far, and all of them have come back with a very healthy ligament," Syndergaard insisted. "There's no pain. So, see no reason to get another MRI. I got checked out after the game, once I got pulled out, and there was no concern from the doctors.
Collins had been considering using Syndergaard as his starting pitcher during next Tuesday's All-Star Game. However, he said Syndergaard will almost certainly be unavailable for the game
"It's disappointing, but hopefully there will be a lot more," Syndergaard concluded.