Career Summary

Anderson Castle is an Indianapolis Colts running back who played at Appalachian State and Duke.

The Boone, North Carolina, native entered the NFL as an undrafted free agent in 2026.

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Early Life

Castle is from Boone, North Carolina.

His parents are Anissa and Todd Castle.

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High School

Castle played quarterback and defensive back at Watauga High School.

Over three varsity seasons, he helped Watauga go 36–6 while accumulating 4,420 rushing yards, 2,629 passing yards and 101 total touchdowns.

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College Career

Castle played five seasons at Appalachian State before transferring to Duke in 2025.

He captained Appalachian State in 2024. At Duke, he appeared in all 14 games and rushed for 488 yards and 12 touchdowns.

Across both programs, his 68 appearances produced 1,524 rushing yards and 20 rushing touchdowns.

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Path to the NFL

Indianapolis signed Castle as an undrafted free agent on May 18, 2026.

He joined the Colts after completing his graduate-transfer season at Duke.

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NFL Career

Castle joined the Colts' practice squad in August 2026.

Indianapolis waived him on August 30 and signed him to its practice squad the following day.

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Career Accomplishments

Castle received Duke's offensive K.D. Kennedy Iron Devil Award in 2025.

His 12 rushing touchdowns tied for fifth on Duke's single-season list. He and Nate Sheppard became the program's first pair to each rush for at least 10 touchdowns in one season.

Section reviewed 2026-09-15