You can expect the Redskins to place him on injured reserve in the coming days and add someone to their roster.
Allen, 22, was selected in the first-round of this year’s draft by the Redskins. He signed a four-year, $11.596 million contract that included a $6.573 million signing bonus.
Allen stands to make base salaries of $465,000 and $992,118 over the first two years of the agreement.
In 2017, Allen appeared in five games for the Redskins and recorded 10 tackles and a sack. Pro Football Focus has him rated as the No. 28 interior defender out of 124 qualifying players.