Kansas City Chiefs star quarterback Patrick Mahomes expressed concern about the NFL potentially adding an 18th game to the regular season.

“You know, it is really out of my control, honestly. But I think there’s a — Arrowhead is a special place ,” Mahomes told CNBC’s Alex Sherman. “It’s a special place that doesn’t come around a lot of times. It’s my favorite place to play in the NFL, not just because it’s my team, but you can feel the history of it when you play.”