Which pitcher currently has the slowest fastball in MLB? - Quora
Joel Zumaya: Occasionally Capable Pitcher
Upbeat Zumaya feeling healthy for Tigers - The San Diego Union-Tribune
Former Detroit Tigers RP Joel Zumaya lights into GM Al Avila
Joel Zumaya: Occasionally Capable Pitcher
The Hardest Throwing Pitchers of All Time: Joel Zumaya
Costly Off-Field Athlete Injuries
The One Stat That Explains Every MLB Team's April - The Ringer
Being a kid again' - The Daily News
Jack Morris: Ty Cobb couldn't have hit the split-finger fastball - Vintage Detroit Collection
Joel Zumaya - Chula Vista, California, United States, Professional Profile
If Joel Zumaya recovers, should Tigers convert him to a starting pitcher?
Wojo: Zumaya flamed out in a blaze of glory
Nate McLouth hits first homer with Atlanta Braves; Andrew McCutchen triples twice for Pittsburgh Pirates