Crabtree pleaded guilty last month to a single count of conspiracy and faces up to five years in jail.
He testified Thursday that Donnan presented a document to him in late 2010, after the scheme had unraveled, in which Crabtree was to certify that the ex-coach did not know that investor money was being used to pay other investors. Crabtree said Donnan said to him,Adidas Superstar Wholesale China, "Would you care to sign this letter to help me save face with my friends?"
