David Diefenderfer
David Diefenderfer graduated from Putnam City, but found his way to Putnam City North as a coach. He coached football, tennis & wrestling in his nearly 40 year coaching career. David led the Panther girls' tennis team to 3-straight state championships from 2001-2003. He also won a state championship coaching the boys' team in 2009. He coached 5 girls to 8 singles state titles and 5 doubles teams. He coached 2 boys to 4 singles state championshps.
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All-State Coach (Wrestling, 1990)
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State Runners-Up (Boys Tennis, 1994)
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3x Daily Oklahoman City Coach of the Year (Tennis, 1997, 2001, 2009)
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State Runners-Up (Girls Tennis, 1997, 2008)
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Coached 3 Straight State Championships (Girls Tennis, 2001, 2002, 2003)
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All-State Coach (Tennis, 2004)
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Coached a State Championship (Boys Tennis, 2009)
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Inducted into the Oklahoma Tennis Coaches Association Hall of Fame (2019)
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Inducted into the Putnam City Hall of Fame as part of the 2001, 2002 & 2003 Putnam City North Girls Tennis Teams (2025)