The 53-year-old said he was “closer to leaving than staying” after securing his sixth Premier League title in the last seven years.
Schauffele birdied the final hole at Valhalla to beat Bryson DeChambeau by a shot at the US PGA Championship.
Pep Guardiola cast doubt over his long-term future at Manchester City on Sunday after winning a historic fourth straight Premier League title, admitting it is difficult to find motivation after so much sustained success.He added: "Next season, right now, I'm not able to know exactly what will be the motivation to do it because it's difficult sometimes to find it when everything is done."