Zeller (knee) has been ruled out for Thursday's matchup with the Nuggets, Casey Holdahl of the Trail Blazers' official site reports.

Zeller's knee injury has kicked back up and will keep him sidelined Thursday, leaving Portland with just 10 available players. The Trail Blazers' frontcourt is especially depleted with Jusuf Nurkic and Robert Covington as the only true big men available. These two should be expected to have very large roles in this contest.

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