Casas missed the A-final this morning as the 9th seed in prelims (2:01.47), but he bounced back with a new U.S. Open meet record of 1:56.06 from the B-final.
Kate Douglass, who left Worlds with 6 medals will look to keep her reign as the best swimmer in the 200 IM, while also looking to throw down in the 50 free.