Kansas City, Mo. ? The Kansas City Chiefs are in discussions with multiple teams to trade defensive end Jared Allen, who led the NFL in sacks last season.

Chiefs general manager Carl Peterson issued a statement Thursday confirming the team has discussed Allen with a few teams interested in acquiring the Chiefs’ designated franchise player.

The Chiefs and Allen have been unable to work out a contract for almost a year. Allen, a 2008 Pro Bowl starter, had 151â2 sacks last season.