Castle, an undrafted free agent, joins after playing at Duke in 2025. He rushed for 488 yards and 12 touchdowns while catching 17 passes for 111 yards last season. Previously, he played at Appalachian State from 2020-2024. bettingx.club
Castell replaces Vaughn, who was added as an undrafted free agent from Abilene Christian earlier this month. The roster moves come amid ongoing backfield adjustments for the Colts.
