‘Sweeney, who missed all of the 2020 season due to complications following a positive Covid-19 test, was a big part of the culture in the Bills’ locker room. He was especially close with Allen and fellow tight end Dawson Knox, and was generally loved by all of his teammates. It’s a homecoming of sorts for Sweeney, who is a native of Ramsey, N.J., and played high school football at Don Bosco Prep.’