A new windup brought a marked improvement for Jon Lester. And he did it against the white-hot Toronto Blue Jays to boot.
But Lester, who had been lacking sharpness over the last month, also gave everyone a scare in the eighth inning Thursday night when he had to leave after slipping off the mound while delivering a pitch to Blue Jays second baseman Emilio Bonifacio.
This was not what the Red Sox wanted to see after the team was forced to shut down Clay Buchholz for a few days after an MRI revealed inflammation in the bursa sac area.
The trainer and manager John Farrell dashed to the mound after catcher Jarrod Saltalamacchia summoned them, and they took Lester out the game.
Lester said he was fine afterward. Full story for BostonGlobe.com subscribers.