"He had a tight [hamstring] going up," said Johnson. "He said, 'Maybe I can hit one out, but if I get on, you'll have to run for me.'"
As if to reinforce that he wasn't going to do any running, Werth fouled a 2-1 pitch off his left ankle. He'd strike out swinging two pitches later.
Johnson said afterward that he expected Werth to get a couple of days off to rest.
Jon Cooper is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.