Amid Golden Globe Snub, Fans Notice “Odd” Detail In Sydney Sweeney’s Sports Illustrated Cover

Several critics even described her portrayal of Christy as “career-defining,” highlighting her physical transformation and her ability to capture the emotional weight of the boxer’s life.

Sweeney also put significant effort into bringing the character to life, reportedly gaining between 30 and 35 pounds, much of it muscle, to match Martin’s fighting weight of approximately 135-137 lbs.

For several months, she also spent hours each day doing kickboxing or boxing drills, along with weight training.