Clarence Leslie "Trey" Caldwell III (born December 4, 1993) is an American former professional football cornerback.

[1] His parents nicknamed him "Trey", because he was the third person in his family to bear the name Clarence Leslie Caldwell.

In junior high, he played against future Cleveland Browns teammate Corey Coleman, and got to know him.

[3] Caldwell attended Lloyd V. Berkner High School[4] in Richardson (District 9-5A),[1] where he became a standout football player.

[1] As a senior, he led the Rams in tackles (75), had four interceptions, broke up 10 passes, and recovered four fumbles.

[1] He also began playing special teams in 2013, and returned two punts for an average loss of 1 yard (0.91 m) each.

[10] He capped his career with a fourth-quarter interception against New Mexico State in the final game of the season.

[15] Caldwell suffered a hamstring injury on July 30 which kept him out of much of the 2016 preseason exhibition games and training camp.

[23] Caldwell was traded to the Tampa Bay Vipers in exchange for linebacker Anthony Stubbs on February 24, 2020.