The Chicago Bulls notched their first win of the season on Wednesday, defeating the Charlotte Hornets by a final score of 112-110. However, it came with a big price, with multiple reports emerging that starting power forward Bobby Portis is set to miss four to six weeks due to a knee injury he sustained during the contest.

Portis injured his knee on an inadvertent collision with Hornets guard Tony Parker, and was in visible pain immediately following the play. He exited the game and was unable to return after just 20 minutes of action.

The 23-year-old has played a key role for the Bulls so far this season in over 28 minutes per contest. In that span, Portis has averaged 10.5 points on 41.5 percent shooting, 0.8 3-pointers, 10.0 rebounds, 2.0 assists, 0.5 steals, 1.0 blocks, and 1.3 turnovers per contest.

Jabari Parker will likely take the starting spot vacated by Portis, but the Bulls will probably take a committee approach in filling in the minutes at the 4. Justin Holiday and Chandler Hutchinson should also see some run at power forward in smaller lineups.

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Portis' injury adds to a long list of sidelined players for the Bulls. Sophomore stud Lauri Markkanen is still on the shelf with an elbow sprain and isn't expected to be back until November. Denzel Valentine is nursing an ankle injury and is still out for another week or so. Kris Dunn's recent MRI revealed a MCL sprain, so he too will be out of commission for four to six weeks.

It's tough to be a Bulls fan these days, and Bobby Portis' recent injury is yet another blow to a season that is already looking bleak.