https://techcrunch.com/2020/09/04/mustard-raises-1-7m-to-improve-athletic-mechanics-with-ai/

Athletic coaching is a massive, multi-billion-dollar industry. No surprise, really, given the massive revenue some top athletes are able to generate. Mustard is working to supplant — or at least augment — some of that pricey coaching with the launch of a new mobile app designed to analyze an athlete’s mechanics and offer corrective tips to help them improve.

The company was co-founded by Tom House, a former reliever whose coaching career has earned him the reputation as one the “father[s] of modern pitching mechanics.”