The Chiefs officially ruled out running back Kenneth Walker. He will not play because of a groin injury that popped up this week.

Rookie Emmett Johnson is in line to make his first career start. He has 111 rushing yards on 26 carries with a touchdown and 14 receptions for 237 yards with a score.

The Chiefs also elevated running back Nate Carter from the practice squad for Sunday’s game against the Falcons. Carter has not played this season, but he appeared in seven games for Atlanta last season and had nine carries for 60 yards.

The Chiefs also announced that defensive lineman Chris Jones (personal) will not travel with the team. He will travel to Atlanta on his own, and he has no game designation.

The team also elevated wide receiver Jacob De Jesus from the practice squad.