Sounders learn opponent for U.S. Open Cup's Round of 16

The Sounders will host Phoenix Rising FC on May 22 at Starfire Sports Complex in the U.S. Open Cup's Round of 16, U.S. Soccer announced Thursday. Phoenix, which won the USL Championship title last year, is making its first Round of 16 appearance. The Sounders are vying for a record-tying fifth title in the single-elimination tournament's 109-year history.