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The Sixers could swap a future second-round pick and the trade exception for a player. Their roster stands at 13, two below the league maximum of 15.
Thorn denied that he's targeting a backup big man, which some might think given the uncertainty with starting center Spencer Hawes (strained left Achilles) having missed 26 of the 28 games prior to Wednesday.
"It could be a wing-type of a guy we might be looking for now that Evan (Turner) is in the starting lineup," Thorn said. "Coming off the bench, Evan can play forward or guard."