Read moreTYR Pro Swim Series: Shaine Casas Goes 51.1 in 100 Fly Prelims31 March 2022TYR Pro Swim Series: Shaine Casas Goes 51.1 in 100 Fly Prelims Shaine Casas set the pace in the morning session of the TYR Pro Swim Series in San Antonio on Thursday, going 51.14 in the men’s 100 fly. That’s a best time for the former Texas A&M standout, with his seed time of a 51.22 from a Texas Se...