Andy Reid will be the Kansas City Chiefs' primary play caller on offense instead of offensive coordinator Doug Pederson.

The Chiefs will also continue to use the 3-4 defense.

"There's been time invested in the 3-4 here," Reid said. "The 3-4 gives you some flexibility. I've run both (defensive systems). I've been involved in both so I understand how they were. The 4-3 is good if you have the right coaches in place and the team is invested in it. But this team here is invested in the 3-4, so let's continue to build it and get better at it."