The Kansas City Chiefs announced on Tuesday that the club has signed safety Bradley McDougald to the 53-man roster and placed safety Sanders Commings on injured reserve with a designation for return. Additionally, the team has signed offensive guard Rishaw Johnson to the practice squad roster.

Bradley McDougald originally entered the NFL as an undrafted free agent with the Chiefs in 2013. He played in 47 games (33 starts) at the University of Kansas, seeing action on both sides of the ball. He recorded 194 tackles (148 solo), 16 tackles for a loss, 2.0 sacks, six interceptions and three forced fumbles. He also had 52 catches for 558 yards (10.7 avg.) with one touchdown and six rushes for 31 yards. He prepped at Scioto High School in Columbus, Ohio, earning second-team all-district honors.

Sanders Commings joined the Chiefs as the club's fifth-round pick (134th overall) in the 2013 NFL Draft. He appeared in 54 games (35 starts) at Georgia, recording 154 tackles (113 solo), 1.0 sack, six tackles for loss, three QB pressures, one forced fumble and three fumble recoveries. He added eight interceptions and 17 passes defensed. Commings was a multi-sport standout at Westside High School in Augusta, Ga. While in high school, he was drafted by the Arizona Diamondbacks in the 37th round of the 2008 MLB Amateur Draft.

Rishaw Johnson (6-3, 313) originally entered the NFL as an undrafted free agent with the Seattle Seahawks in April of 2012. He served primarily on the Seahawks practice squad during his rookie season before being released by Seattle on Aug. 31, 2013. He played collegiately at California University of Pennsylvania and was a teammate of current Chiefs center Eric Kush. Johnson was voted a team captain for the Vulcans and was a first-team All-American in 2011 after playing the previous three seasons at Ole Miss. He prepped at Hammond High School in Hammond, La.