The Chiefs did some post-draft roster trimming Thursday, releasing four players: fullback Patrick DiMarco, quarterback Alex Tanney, linebacker Cory Greenwood and offensive lineman Bryan Mattison.
DiMarco, who joined the Chiefs last season as a free agent and was promoted from the practice squad to the starting lineup by the end of the season, became expendable after the Chiefs recently acquired two fullbacks.
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Last week they drafted Kansas State fullback Braden Wilson in the sixth round. This week they traded with Arizona for fullback Anthony Sherman.
The Chiefs also signed fullback Ryan D’Imperio as a free agent last winter.
DiMarco didn’t have any rushing attempts or pass receptions but had his moments as a lead blocker. He threw the key block on Jamaal Charles’ 80-yard touchdown run in a late-season game in Cleveland.
Tanney was nicknamed Trick Shot for the YouTube video he posted showing him making various odd throws. He also joined the Chiefs last season but never played in a regular-season game after injuring his finger in the final preseason game.
The Chiefs have four quarterbacks under contract: starter Alex Smith, Chase Daniel, Ricky Stanzi and rookie Tyler Bray.
Greenwood, an inside linebacker, has played little on defense since joining the Chiefs in 2010 but has been one of their better special teams players. He became expendable after the recent signings of veterans Akeem Jordan and Zac Diles and the drafting of Nico Johnson in the fourth round.
Mattison was the backup center to Rodney Hudson until last week, when the Chiefs drafted Eric Kush in the sixth round. He joined the Chiefs as a backup last season and re-signed with them last winter.