The Sixers have re-signed Shelvin Mack to a second 10-day contract.
Jameer Nelson (back) will not play against the Knicks on Wednesday.
Tobias Harris (calf), Evan Fournier (quad) and Kyle O'Quinn (ankle) will all be active for Wednesday's home game vs. the Warriors.
Carlos Boozer (shoulder) will start against the Grizzlies on Wednesday.
Rudy Gay (Achilles) and Darren Collison will not play against the Rockets on Wednesday.
A bruised right ankle leaves Isaiah Thomas questionable for Wednesday's game against the Nuggets.
Amare Stoudemire has dealt with back spasms in the past and given the amount of pain Melo is currently in, paints a not-so-pleasant picture of what Melo might be dealing with.
Thaddeus Young is expected to return to action on Wednesday, although his role still hasn't been confirmed.
Mo Williams missed shootaround Wednesday and is a game-time decision against the Bucks.
Dwyane Wade, who has missed seven straight games with a hamstring injury, was taking part in "explosive drill practice" on Wednesday.
Dwight Howard (knee) and Patrick Beverley (hamstring) have both been ruled out for the Rockets for Wednesday's game against the Kings.
Evan Fournier will be a game-time call on Wednesday due to a quad injury.