20 Best Baseball eBooks of All Time - BookAuthority
50 Best Pitching Windups of All Time
1956–1980 – Page 3 – SABR's Baseball Cards Research Committee
50 Best Pitching Windups of All Time
Mark Fidrych, Muppet Wiki
Mark Fidrych, Baseball's Beloved 'Bird,' Dies at 54 - The New York
REMEMBERING DIFFERENT BIRD; MARK FIDRYCH
Mark Fidrych, former Detroit Tigers All-Star pitcher, dead at 54
Mark Fidrych Obituary (2009) - Palm Springs, CA - The Desert Sun
Glossary of baseball terms - Wikipedia
The Bizarre Life and Tragic Death of Mark 'The Bird' Fidrych