The Eagles also signed OT Casey Tucker to their practice squad.
Kerrigan, 33, is a former first-round pick by Washington out of Purdue back in 2011. He played out his rookie contract before agreeing to a five-year, $57.5 million extension back in 2015.
Kerrigan made a base salary of $11.5 million in 2020 and later agreed to a one-year, $3.5 million contract with the Eagles.
In 2021, Kerrigan has appeared in 14 games for the Eagles and recorded three tackles and no sacks.