The Broncos gave up big yards to Gronk (88 and 144 receiving yards in two games, respectively) but did not allow any other tight end to top 65 receiving yards in a single game.
Olsen averaged 69 receiving yards per game this season. He finished the season with 77 receptions, 1,104 yards and seven touchdowns.
"I think it's going to be all right," safety Darian Stewart said. "We've just go to know where he is at all times and just know that they like to get it to him in certain situations."