Red Sox activated RHP Tyron Guerrero from the 15-day injured list.

The hard-throwing right-hander had been sidelined since the start of September due to right shoulder inflammation. The Red Sox will want to get him into at least a couple of games over the next week just to make sure that he shakes any rust off before the start of the postseason. Wyatt Olds was optioned to Triple-A Worcester in a corresponding move on Sunday.