Athletics News Former NCAA and U.S. Sprint Champion Abby Steiner Takes Legal Action Against Puma and Mercedes Benz Over Injury-Causing ShoesBy Mia GarciaJuly 21, 2026 Former NCAA and U.S. sprint champion Abby Steiner has filed a lawsuit against Puma and Mercedes-Benz, claiming their shoes caused significant injuries. The case highlights growing concerns over athlete safety and product liability.