502’s own, Ballard Bruins hoop star Mason Grivna landed an offer from Pat Kelsey and the Cardinals last week and the timing couldn’t be more right.The 6’11” Class of 2029 center made an unofficial visit to Louisville’s campus and walked away with an offer from his hometown program. Grivna is just 15 years old and already turning heads at the national level ESPN has him ranked No. 17 in the 2029 class as a five-star prospect.As a freshman at Ballard, he averaged 16.7 points, 9.1 rebounds, and sho