Swanson has been diagnosed with a median nerve entrapment in his right forearm, Keegan Matheson of MLB.com reports.

EDGE Analysis

Swanson has had recurring issues with his forearm/elbow and now there's an explanation as to what's going on. All things considered, the diagnosis could be worse, although it's not clear when he might be ready to pitch in games again. For now, Swanson will be shut down from throwing for at least a couple days. He is expected to begin the season on the 15-day injured list.