CHICAGO -- Boston Red Sox pitcher Rich Hill left Friday's start against the Chicago Cubs because of a sprained left knee.
Hill had a 4-0 lead through four innings before exiting during a three-run fifth. The Cubs would go on to rally for a 6-5 win.
"I feel stupid for staying in, to be honest with you, stubborn," Hill said after the game. "Put us in a really bad position and unfortunately that falls on me, my stubbornness staying in and wanting to compete."
The 42-year-old left-hander walked P.