The veteran defensive end is testing the open market for the first time in his career. The Broncos are in the market for pass rushers and Allen fits the description.
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Allen, 31, was a 16-game starter for the Minnesota Vikings last season, finishing with 11.5 sacks and two forced fumbles. A remarkably durable and consistent player, Allen has finished with at least 11 sacks in each of the last seven seasons.
Here are some other notable free agents with visits lined up:
» Tight end Jermichael Finley is visiting with the Seattle Seahawks, according to Rapoport. Finley has yet to be medically cleared after suffering a spinal injury last year, but should attract interest from multiple teams. Production at tight end has been an issue for Seattle. Rapoport later added that Jason Hatcher will travel to Seattle, while The Seattle Times reports the Seahawks will visit with Taylor Price.