Strive, which makes wearable tech for athletes, raised $6 million as part of a Series A funding round. The Seattle startup aims to help athletes better understand how and why they fatigue. The Bothell, Wash.-based develops sensors that embed into compression clothing and provides data to teams and players. “As a professional athlete, I’ve used countless technologies to help me find an edge,” Jonathan Taylor, a star NFL running back who is also an investor, said in a release.