CHICAGO -- Chicago Cubs ace Jon Lester departed the team's home opener in the third inning Monday with hamstring tightness, and Pittsburgh Pirates starter Jameson Taillon took a liner off his head but stayed in long enough to complete the second inning.
Lester will get an MRI on Tuesday, an off day for both teams, who meet again Wednesday.
"I didn't feel anything as far as a pop or anything like that," Lester said after the Cubs' 10-0 victory. "Kind of more along the cramping sensation. We'll find out more [Tuesday].