The Kansas City Chiefs agrred to terms with a pair of free agents on Tuesday. Cornerback Taje Allen and tight end Mark Thomas each agreed to terms on two-year contracts. Allen spent each of the last four seasons with the St. Louis Rams, playing in 57 games with four starts. He had 62 tackles with the Rams and one interception. Thomas just completed his first season with the XFL’s Memphis Maniax. He caught 13 passes this spring for 133 yards and three touchdowns.