Crossword puzzle clue "tight end's teammate"

Tight end's tight end?

Tight end's teammate

"I'm the beginning of eternity, the end of time and space, the beginning of the end, and the end of every place ..."

Four-time Pro Bowl tight end Crumpler whose first name sounds like a microbiology topic

Eight-time Pro Bowl tight end Gates

Tight end, at times

Tight end, at times

First tight end in the Football Hall of Fame