Cincinnati Bengals receiver Tyler Boyd suffered a low-grade MCL sprain in Sunday's 30-16 win over the Oakland Raiders, a source told NFL.com's Ian Rapoport.
Boyd will likely miss time and with only two games remaining he could be done for the season.
The 24-year-old has 1,028 receiving yards and seven touchdowns on 76 catches this season.
The injury-riddled Bengals (6-8) will lean on receivers John Ross and Alex Erickson in their Week 16 matchup against the Cleveland Browns.