What happened: Dansby Swanson left today's game early after experiencing left side discomfort, the Cubs said. No further detail on the sequence of events was given.

Why it matters: Swanson has been a steady presence in the Cubs lineup, and any absence puts pressure on the infield depth chart as the club navigates the stretch run. His playing time going forward will hinge on how the team handles the situation.

What to watch: Watch for a Cubs update on Swanson's availability ahead of the next game.