Johnson felt discomfort in his elbow and forearm during his rehab appearance with High-A Lake Elsinore on Friday, Dennis Lin of the San Diego Union-Tribune reports.

EDGE Analysis

Making his first appearance in a game in close to two years, Johnson gave up a single to the first batter he faced Friday and was then forced to leave the game. He will head to San Diego to meet with doctors, but a return to the Padres this season is in doubt in light of his latest setback with the elbow.