Dulin did not catch either of his two targets, but he took two rushes for 17 yards during Sunday's 21-13 loss at Minnesota.
Dulin had one carry for nine yards but didn't have any targets in Sunday's loss at Jacksonville.
Dulin didn't have a reception on his only target in Sunday's win over Chicago.
Dulin had one reception for 13 yards on two targets in Sunday's loss at Green Bay.
Dulin had one reception for a 54-yard touchdown on his lone target in Sunday's loss to Houston.
Dulin (hamstring) did not play in Sunday's preseason loss to Denver.
Dulin (knee) was a full-go in the Colts' Friday practice and is a "frequent flyer for [Joe] Flacco during 11-on-11s," Jake Arthur of Sports Illustrated reports.
Dulin was spotted working out during Thursday's practice, Jake Arthur of SI.com reports.
General manager Chris Ballard told reporters Wednesday that Dulin (knee) may work in a limited fashion to begin training camp, JJ Stankevitz of the team's official website reports.
Dulin (knee) did not participate in spring practices but has resumed running without a brace in personal workouts, James Boyd of The Athletic reports.