By Alek Arend Five-star quarterback Arch Manning doesn’t just shine on the football field. Manning, a five-star quarterback in the 2023 cycle, is playing for his high school basketball team this season. On Friday night, Manning showed off his athleticism by throwing down a two-handed slam during his high school basketball game. The Georgia football staff was there to witness it. Take a look. It’s no surprise Arch Manning can dunk a basketball. He’s 6-foot-4. Still, his athleticism certainly stands out. The programs in the nation are all vying to land Manning, the nephew of NFL legends Peyton a…