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John Klein is an experienced USPTA Tennis Professional at Elite Sports Clubs-Brookfield. Learn about his professional tennis background!
The Laver Cup Underlines a Generational Shift in Tennis - The New York Times
Zverev Defeats Djokovic and Will Play Medvedev in ATP Finals - The New York Times
Brian Klein - Baseball - Texas Tech Red Raiders
2012 Girls' Tennis All-Scholastics - The Boston Globe
Inside the Program: Klein High School Tennis - VYPE
Elite Sports Clubs
Stanford 125: The 1960s - Stanford University Athletics
Catonsville High spring sports All-Decade teams – Baltimore Sun
The Upside Newsletter
The Power and Speed of Jannik Sinner - The New York Times
Salima Rockwell Trainer+ Drills
Max Purcell - Wikipedia