Rusney Castillo will make his professional debut with the Gulf Coast League Red Sox on Sunday.
He'll play in the Gulf Coast League finals on Sunday, before progressing to join Double-A Portland or Triple-A Pawtucket for their respective postseason series. He's expected to reach the Red Sox at some point in September.
Cubs activated LHP Felix Doubront from the 15-day disabled list.
Doubront will make his Cubs debut on Saturday in the first game of a doubleheader against the Cardinals. The Cubs plan to utilize a six-man rotation in the month of September, meaning Doubront should stick around for the remainder of the season and could carve out fantasy value in NL-only formats.
Scott Van Slyke (ankle) appeared as a pinch hitter in Friday's loss to the Padres, drawing a walk in his lone plate appearance.
Van Slyke tweaked his ankle while running down a ball in the outfield on Wednesday, but X-rays came back negative. He should be cleared to return to the starting lineup at some point over the weekend should manager Don Mattingly decide to utilize him.
Alex Rios went 1-for-5 with a double and a pair of runs scored in his return to action on Friday.
Rios sat out the previous couple of games due to his bruised thumb giving him trouble yet again. It has been a bit of a disappointing season for the dynamic outfielder who is hitting .280/.309/.399 with just four home runs and 52 RBI.
Colby Rasmus returned to the Blue Jays lineup with a bang on Friday, reaching base three times in a losing effort against the Yankees.
Rasmus, who missed the past couple of games due to illness, went 2-for-3 with a double and a run scored. He also drew a walk in the contest. Even with the terrific night though, he's still slashing a meager .227/.290/.442 with 16 homers and 37 RBI in his 94 contests.