Did some digging
{Under Armor- 7 P5 schools, 4 disclosed injuries/school 23/30 = 76.7% are leg injuries}
{Adiddas- 12 P5 schools, 6 disclosed injuries/school 51/71 = 71.8% are leg injuries}
{Nike- 44 P5 schools, 5 disclosed injuries/school 145/225 = 64.4% are leg injuries}
Maybe there is some truth-