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OfficialFree agent signing

Kansas City Chiefs

Kansas City Chiefs sign R Mason Thomas

Kansas City Chiefs signed R Mason Thomas on May 21, 2026.

Event type
Free agent signing
First reported
May 21, 2026
Official
May 21, 2026
Player
R Mason Thomas
Position
-

What changed

Player
R Mason Thomas
From
Free agent
To
Kansas City Chiefs
Effective
May 21, 2026

Known details

Compensation
Signed a 4 year $12.19 million contract with Kansas City (KC)

How this move reshapes the Defensive Ends room

Kansas City Chiefs defensive ends, this season vs last season — the room this transaction changed.

NEW arrived this offseasonRE-UP re-signedLEFT left after last season- returning players are unmarked

This season · 2026Defensive Line Coach: Joe Cullen
82George Karlaftis8616/178199959480$7.4M25.36'4"275
78Felix Anudike-Uzomah7017/174501009079$3.8M24.56'4"255
72R Mason ThomasNEW7310/1700505077$3.0M——241
62Ashton Gillotte6817/1742531008769$1.5M23.76'3"270
45Vincent AnthonyNEW435/17005050—$1.0M——258
45Anthony DunnNEW435/17005050—$1.0M——262
Last season · 2025Defensive Line Coach: Joe Cullen
82George Karlaftis8616/178199959480$7.4M25.36'4"275
78Felix Anudike-Uzomah7017/174501009079$3.8M24.56'4"255
62Ashton Gillotte6817/1742531008769$1.5M23.76'3"270
45Malik HerringLEFT416/174103696—$1.1M28.76'3"277
45Janarius RobinsonLEFT428/17280509644—28.26'5"260
35Charles OmenihuLEFT5213/17810799632$4.0M28.96'5"280
25Michael DannaLEFT4815/17800859625—28.66'2"255

Timeline

  1. OfficialMay 21, 2026

    Kansas City Chiefs sign R Mason Thomas

    Signed a 4 year $12.19 million contract with Kansas City (KC)

    nfl_transactions

Sources

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