Croom, a sophomore from Norcross, Georgia, has 21 catches for 305 yards and is tied for the team lead with four touchdown receptions.
Tennessee (6-6) has lost four receivers to season-ending injuries.
Marquez North had 30 catches for 320 yards and four touchdowns in 10 games before tearing a labrum. Josh Smith sustained a high ankle sprain after catching 10 passes for 135 yards and one touchdown in three games. Cody Blanc tore his Achilles tendon in training camp.