"It was really a non-issue," Bay said. "Really, it's as close to a non-issue as it can be."
Originally feeling tightness in his calf while shagging fly balls during batting practice, Bay alerted manager Terry Collins of his condition but asked to remain in the lineup. Once the Cubs took a six-run lead into the seventh inning, however, Collins removed Bay as a precaution, replacing him with Fernando Martinez.
"I don't want to call it a cramp, because when it's 20 degrees outside it's not a cramp," Collins said. "But he had a catch in his calf and he told me he wanted to play. When the game started to get out of control, I told him, 'You're done for tonight.'"
Temperatures at Wrigley Field sat in the mid- to low-40s all evening, with swirling winds adding to the effect.
Bay missed the first three weeks of this season with an oblique injury, after sitting out the final two months of last season following a concussion. He is hitting .227 with two home runs on the season.