Vannett caught his only target for a 15-yard gain during Monday's 27-14 win over Miami.
After getting traded to Pittsburgh from Seattle for a fifth-round pick, Vannett has yet to be much of a difference maker as a receiver, with just four catches on six targets for 48 yards in four games. He has yet to be targeted in the red zone this season either as a Seahawk or Steeler. A middle-of-the-pack Colts pass defense awaits Sunday.