Puresport: Finn Russell, Ben Earl and Castore backer in £3.6m fund raise Sport Business Rugby stars Finn Russell and Ben Earl have doubled down on their investment to help London-based sports nutrition brand Puresport raise £3.6m in fresh funding. Redrice Ventures, an early backer of British sportswear brand Castore, and serial high growth investor Five Seasons Ventures also took part in the latest funding round. Puresport was founded by [...]