Travis Kelce has openly admitted his focus slipped last season, saying: "Win a Super Bowl is the only goal. It’s the only goal. It’s every goal."

The 35-year-old Kansas City Chiefs tight end, who has been dating pop superstar Taylor Swift , also 35, for two years, also told America's GQ magazine that distractions off the field left him feeling he had fallen short of his own high standards – and sources tell RadarOnline.com he is "haunted" by how their partying "pushed him off point on the field." Article continues below advertisement

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An insider said: "Travis' growing profile alongside Swift has intensified scrutiny and added pressure, all of which put him off his

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