The former Philadelphia Eagles coach took over at the AFC West side earlier this year, after the team finished the 2012 season with the worst record in the NFL.
The quarterback, who also joined the Chiefs during the off-season, told reporters: "I think the thing that stands out most to me is that he's just kept it about football. From day one, he just created a healthy environment and just kept this about football, about competing and getting better every single day.
"I think Coach has just done such a good job of keeping the focus on teaching. Then, for us as players, the focus is on execution. I really think he's done a great job of eliminating exterior distractions and things like that and kept this about football. I know I enjoy it, I think the guys enjoy it.
"I think he's created a healthy environment to come in and just focus on football every single day. I think it starts with him and he does a great job of doing that, of eliminating distractions for the guys and me. I know I really enjoy it."
The Chiefs are the only team in the NFL to remain unbeaten this season.