Who knew 'Money' Mayweather had such a soft spot? The undefeated champ just threw a surprise birthday bash for his grandson, KJ, and fans are loving this side of him. Forget the flashy cars and billion-dollar paydays—seeing Floyd light up for his only grandson is priceless. Some fans even joked he’d trade all his money for moments like these. Is Mayweather the GOAT granddad as well as the GOAT in the ring? #Sports #Wrestling #FloydMayweather