CNN  —  Angel City defender Savy King has undergone successful heart surgery, the club confirmed Tuesday, after she collapsed during a National Women’s Soccer League (NWSL) match on Friday. The 20-year-old fell to the ground in the 74th minute of Angel City’s game against the Utah Royals and was attended to by medical personnel, who appeared to administer CPR. Around 10 minutes after collapsing, King was stretchered off the field with an oxygen mask on her face with some players visibly