The Broncos might be without their star running back Melvin Gordon for Sunday against the Chiefs. Gordon is “probably 50-50” for Week 13, according to Denver Broncos Head Coach Vic Fangio.

Your guess is as good as mine when it comes to Gordon’s game day availability. Even his practice participation seemed to be up in the air prior to Thursday. He did not practice on Wednesday or Thursday this week leading up to their road trip to Kansas City.

The Broncos running back came out of the Week 12 win with both a hip and a shoulder injury. In the victory over the Los Angeles Chargers, Gordon ran the ball 17 times for 83 total yards. Despite his injuries, he was the lead Broncos rusher, with rookie Javonte Williams following him with 54 yards and a touchdown.

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Gordon has been fortunate to maintain his health during a season which seems to be physically ripping players apart. He has been a key element to the Broncos offensive ground game this season, playing in all 11 of their games so far.

The running back has recorded 605 rushing yards and five touchdowns in the team’s first 11 games of the season. Although he is mostly utilized in the Broncos run game, Gordon also has some receptions on his resume. He has picked up 22 receptions for 166 yards and two receiving touchdowns.

If the coin doesn’t land in the favor of Gordon, the Broncos could be giving Williams more reps this Sunday.