This week’s drill is Alternating Fly/Breast Drill by 2012 Olympian Scott Weltz. Weltz explains that this drill “really helps you get your rhythm down.” It helps you to …

This week’s drill is Alternating Fly/Breast Drill by 2012 Olympian Scott Weltz. Weltz explains that this drill “really helps you get your rhythm down.” It helps you to …