Los Angeles Dodgers All-Star right-handed pitcher Tyler Glasnow exited Sunday's game against the Pittsburgh Pirates after throwing a couple warm up pitches ahead of the second inning.More news: MLB Power Rankings — Yankees and Mets Rise, Dodgers Fall Behind CubsGlasnow appeared to scream in frustration before walking off the mound, and was replaced by right-hander Ben Casparius.Shortly after Glasnow exited the game, the Dodgers announced on social media that he was removed with right shoulder discomfort.Glasnow exited his last start this past Sunday in the top of the fifth inning due to leg cramps. However, Glasnow wasn't forced to miss a start, and it appeared he wasn't having any residual issues.Dodgers manager Dave Roberts said before the game that he wasn't concerned about Glasnow's cramps from last week."He did an IV yesterday, just kind of getting his body hydrated, all the work leading up to today is good, so for me and the training staff there's no concern going into this start, which is a good thing," Roberts said.More news: Yankees Will Do 'Everything Possible' to Land $56 Million All-Star in Trade, Says InsiderSunday against the Pirates, Glasnow allowed two earned runs on two hits with one walk in the first inning. Then, he wasn't able to throw any pitches in the second inning.Here's a video of the injury:More news: Blockbuster Trade Ideas for Dodgers, Yankees, Cubs to Fix Biggest WeaknessesThis story will be updated...