railed his professional pitching career, it created a big opportunity. Kurt and two partners started a wooden bat company in his backyard, bringing their intimate knowledge of baseball to every bat they sold. Soon, big-name players like Sammy Sosa were swinging them, but Kurt knew they had to expand to aluminum bats to reach the wider field of non-professional players. The company faced a near death experience when the NCAA decertified its bats for being too powerful, but eventually regained its footing. In 2013, Marucci Sports was acquired for over half a billion dollars; and next year, Marucci will slide past Louisville Slugger to become the official bats of Major League Baseball.

This episode was produced by Devan Schwartz with music composed by Ramtin Arablouei.

It was edited by Neva Grant with research from Katherine Sypher.

Our engineers were Maggie Luthar and Jimmy Keeley.

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Marucci Sports - Kurt Ainsworth

How I Built This with Guy Raz