"Velocity was good, arm strength was good. Threw a couple of good breaking balls," Gonzalez said of Carpenter's outing.
"When we DL'ed him, we knew that it wasn't anything major. It was right on the bicep. Some weakness there."
Carpenter is 4-1 with a 4.23 ERA and 35/8 strikeout-to-walk ratio in his fourth season.
Erik Bacharach is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.