Justin Herbert injured his left leg in the second quarter

Chargers quarterback Justin Herbert was injured after a hard hit in the second quarter.

Herbert rolled to his left as he jumped in the air to throw a deep pass to Quentin Johnston. His left leg was slammed into by Chiefs linebacker Nick Bolton while Herbert was in the air.

Herbert grabbed his left leg after hitting the ground.

He remained on the field for several minutes while the team’s medical staff worked on him.

Herbert limped off and sat on the bench after the Chargers punted.

Taylor Heinicke replaced Herbert for one play, a 12-yard scramble on third-and-20 after a holding penalty on Joe Alt on the play in which Herbert was injured.

Herbert is 7-of-14 for 73 yards.

Chiefs lead 6-0.