United Kingdom, Aug. 13 -- Travis Kelce fears his NFL performance "slipped" because he was distracted by his growing entertainment career.

The 35-year-old tight end - who is dating Taylor Swift - was devastated when his team Kansas City Chiefs lost to the Philadelphia Eagles in February and he is planning to give this season his full focus because he doesn't think he has played to his usual "standard" as he's also been involved in other ventures, such as hosting Are You Smarter Than a Celebrity? and acting in Ryan Murphy's Grotesquerie.

He told America's GQ magazine: "Win a Super Bowl is the only goal. "It's the only goal. It's every goal.

"I think it might have slipped a little bit because I did have a little bit more focus in trying ...