The unbeaten Kansas City Chiefs (9-0) announced Wednesday that they acquired wide receiver Kyle Williams off waivers from the San Francisco 49ers.
In addition, the 49ers announced they had released wide receiver Chad Hall.
Now in his fourth season in the NFL, the 5-10, 186-pound Williams has played in 38 games, including nine starts, all with the 49ers. He has 47 receptions for 574 yards (12.2 avg.), including four touchdowns.
He also has returned 21 punts for 170 yards (8.1 avg.) and 28 kickoffs for 673 yards (24.0 avg.).
A sixth-round pick in the 2010 NFL draft (206th overall), Williams starred collegiately at Arizona State, where he amassed 109 receptions for 1,626 yards (14.9 avg.), 74 punt returns for 768 yards (10.4 avg.) and 31 kickoff returns for 709 yards (22.9 avg.).
Hall, meanwhile, was acquired by the Chiefs on waivers on Sept. 1 from the Philadelphia Eagles, Chiefs coach Andy Reid's former team.
Hall (5-8, 187) played in 22 games (one start) in just over two NFL seasons with the Eagles and Chiefs. He played in seven games with Kansas City recording one catch for nine yards.