The Red Sox recalled Olds from Triple-A Worcester on Sunday.
Olds will return to bolster the Boston bullpen on the final day of the regular season. The right-hander has made 13 appearances out of the Red Sox's bullpen this year in his first taste of the majors, posting an impressive 1.20 ERA, 1.20 WHIP and 20:7 K:BB in 15 innings.