She put him on his ass, first try, as she is much bigger than he is.
"Sophie Hall, a plus-sized influencer with more than 2 million followers on Instagram, claims she was invited to take part in an offensive line blocking drill after watching Hill train in his backyard on June 28, 2023, per a copy of the lawsuit published by the Daily Mail.
On her first defensive-line rep, Hall alleges that she managed to push Hill backward, drawing laughter from a group of witnesses, including Hill's trainer, mother and sister. Hall said in 2019 that she is 6-foot-1 and weighs 250 pounds, while Hill is listed by the NFL at 5-foot-10, 191 pounds."
I don't know what she was there for--and obviously he hit back too hard. But your "he's a big strong man who assaulted another woman" take is clearly misstating the events described in this article.