LA Dodgers' pitcher River Ryan exits game due to forearm tightness, adds to injury list.

Los Angeles Dodgers' pitcher River Ryan exits game vs. Pirates due to right forearm tightness, adding to the team's injury list. Manager Dave Roberts expresses concern and emphasizes prioritizing player health. Despite the loss, Dodgers win 4-1, maintaining their lead in the National League West. Ryan will undergo an MRI and be placed on the injured list; Landon Knack called up from Triple-A to replace him.