Young is listed as questionable for Wednesday's (Nov. 27) game versus the Cavaliers due to right Achilles tendinitis, Brad Rowland of the Locked On Podcast Network reports.
Zeller has yet to play for Atlanta this season due to personal reasons. Until the team releases an update on the veteran big man, he can be considered week-to-week.
Markkanen was helped back to the locker room in the fourth quarter of Tuesday's (Nov. 26) game against the Spurs with a left knee contusion and will not return, Andy Larsen of The Salt Lake Tribune reports.
Hendricks is expected to miss the remainder of the season after suffering a fractured right fibula and dislocated ankle in Monday's 110-102 loss to the Mavericks, Tim MacMahon of ESPN.com reports.