LeBron James jumped out of his seat after Bronny James got up for a massive alley-oop
7:55am PST - January 29th, 2020 bronny james - Business InsiderESPN/Twitter Bronny James — LeBron James' 15-year-old son — jumped out of the gym for a "SportsCenter"-worthy alley-oop. The Sierra Canyon freshman cut through the lane and gobbled up an inbounds lob before slamming it down with one hand. The elder James jump…