The Kansas City Chiefs announced several roster moves on Tuesday to shore up the team’s injured offense.

The club has elevated running back Charcandrick West from the practice squad to the 53-man roster and signed tight end Phillip Supernaw.

Additionally, the Chiefs have signed tight end Adam Schiltz to the practice squad.

Tight end Demetrius Harris and running back Cyrus Gray were placed on injured reserve. Gray, a special teams standout, will miss the rest of the season after tearing an ALC in the third quarter of Sunday’s 17-13 victory over Buffalo. Harris, a former basketball player in college, broke his foot during warmups prior to the game.

West (5-10, 205) originally entered the NFL as an undrafted free agent with the Kansas City Chiefs in 2014. He has spent nine weeks on the club’s practice squad this season. West played collegiately at Abilene Christian where he saw action in 39 games, recording 2,098 yards on 347 rushes with 28 touchdowns. He added 71 catches for 1,007 yards and seven touchdown receptions. West prepped at Springhill High School in Springhill, Louisiana.

Supernaw (6-5, 248) has played in four games in two NFL seasons with the Baltimore Ravens (2014) and Houston Texans (2013). He spent time on both the Texans and the Ravens practice squads. He originally entered the NFL as an undrafted free agent with Houston in 2012. Supernaw was a four-year starter at Ouachita Baptist, seeing action in 40 career games (38 starts). He caught 64 passes for 710 yards and 10 touchdowns. He prepped at James E. Taylor High School in Katy, Texas.