The Czech striker suffered a broken leg not long after initially signing for Aston Villa.
The Aston Villa boss was linked with the Leeds star when manager at Premier League Hull City.
Bruce's Villa sit four points behind fifth-placed Leeds in the Championship ahead of facing Monk's men at Elland Road on Saturday evening.
The Czech striker has only made two substitute appearances this season and has not featured for the first-team since Bruce's appointment in October.
The centre-back and Scottish striker both look set to miss Saturday's game at Leeds United.
Leeds host Aston Villa in the Championship this weekend.
Aston Villa manager Steve Bruce left his post as Hull City boss in August.
The Newcastle United midfielder suggests his current boss is better than the Aston Villa coach.
Ross McCormack has scored just twice for Villa so far but his manager doesn't expect his dry spell to last too much longer.
It has been suggested this week that Villa could look to offload McCormack next month.
Who are the greatest coaches to have learned their trade from one Sir Alex? And, as you might have guessed, Gary Neville is conspicious by his abscence.
Despite the 21-year-old Italian's impressive form since Bruce took charge of the club early last month, reports have suggested that the Villa boss is keen to sign a new goalkeeper in January.
The Ivory Coast international has quickly won over the Aston Villa faithful.