The retired NFL great said his lil bro is still the same "free spirit," but he's definitely grown up since teaming up with Swift.

Sometimes, you get people in your life that maybe get that out of you, and that’s a good thing,” Jason said of his brother’s growth over the last few years.

According to an Us Weekly source, Travis “was hoping he’d end his career on a high,” but then the Chiefs lost the Super Bowl to the Eagles, and now “he’s reconsidering what he wants moving forward. He may come back next season.”