Tigers manager Brad Ausmus said that Alex Avila (concussion) felt "disoriented" when he tried taking some swings Thursday and Friday.
Evan Gattis (kidney stone) could be available to pinch-hit Friday.
Ryan Raburn underwent arthroscopic surgery on his left knee Friday.
Jose Fernandez (elbow) has been cleared to begin a throwing program on October 1.
The Marlins have officially shut Bryan Morris (groin) down for the season.
Welington Castillo has been diagnosed with a left rib contusion.
Alex Avila (concussion) remained out of the Tigers' lineup Friday.
Nick Markakis (shoulder) remained out of the Orioles' lineup Friday.
Paul Konerko is back in the White Sox' lineup Friday.
Jason Heyward (thumb) is not in the Braves' lineup Friday.
Vance Worley will start on Sunday versus the Brewers.
Charlie Morton (sports hernia) has been scratched from Sunday's start against the Brewers.
Welington Castillo left Friday's game against the Dodgers with an apparent back injury.
Hyun-Jin Ryu (shoulder) is aiming to resume throwing on Saturday or Sunday.
Cubs activated RHP Edwin Jackson from the 15-day disabled list.