Olympic swimming coach David Marsh called in to talk to Chip and Hardge on The Bottom Line. Coach Marsh is in town for his Stand By Me Foundation. He has coached 49 Olympic Swimmers from 19 different countries during his career and was the USA women's head swim coach in Rio 2016. The Stand By Me Foundation was set up with the aim to provide financial support and backing to aspiring Olympic swimmers. Check out coach Marsh's interview on TBL here.