What is Coach Walski's real reason for warning Coach Bright about Paul's eligibility to play for Tangerine? What is her response?

Coach Walski's real reason for warning Coach Bright about Paul's eligibility is that he knows his team is going to lose. Her response is to tell him that she's just sent her other goalie, Shandra Thomas, home. Shandra's brother is Antoine Thomas, who plays football for Lake Windsor, and who lives in Tangerine's district.