Sean Casey (baseball) - Wikipedia
THE MAYOR, SEAN CASEY
The Mayor': A look back at Sean Casey's time with the Cincinnati Reds
Sean Casey, Baseball Wiki
Boston Irish Tourism Association - Profile: Sean Casey
Sean Casey – Society for American Baseball Research
PODCAST: The Mental Game Success Strategies of Baseball's Best Hitter - Brian Cain Peak Performance
Yankees have found 'perfect fit for this club' with Sean Casey, ex-teammate says - The Athletic
The Mayor': A look back at Sean Casey's time with the Cincinnati Reds