defensive end will reportedly miss games but avoided a long-term knee injury in Sunday's game against the Pittsburgh Steelers.
Ian Rapoport of NFL Network reported an initial diagnosis did not show a "serious" injury.
Allen was the seventh overall pick by the Jags in the 2019 NFL draft after being named the 2018 SEC Defensive Player of the Year at Kentucky. He recorded 44 total tackles, 10.5 sacks and two forced fumbles during a strong rookie season.
The 23-year-old edge-rusher suffered a wrist injury during high school, which he told Chase Goodbread of NFL.