While it may not be his worst claim on social media, Phil Mickelson labelling Joaquín Niemann the best player in the world is undoubtedly looking even more laughable during this Open Championship. There is absolutely no question that Niemann has been LIV Golf’s biggest revelation.
Source: [Yahoo Sports](https://sports.yahoo.com/articles/phil-mickelson-once-calling-joaqu-143000708.html)