Rockies' Marquez to undergo Tommy John surgery
An Overview of Tommy John Surgery
Rockies pitcher Germán Márquez needs Tommy John surgery
Former Dodgers Pitcher Tommy John Credits Keck Medical Center For 'Saving' His Life
Dr. James Andrews temporarily suspends Tommy John surgeries amid pandemic - ESPN
Lance McCullers Tommy John recovery interview
Greensboro native perfected Tommy John surgery
Germán Márquez needs Tommy John surgery
Germán Márquez injury could put Colorado Rockies in a tailspin if their ace needs Tommy John surgery
Tommy John Remembers Dr. Jobe, 'One Of The Greatest Surgeons' : The Two-Way : NPR
Rockies say Hughes, Vargas, Cox to join Senzatela with elbow setbacks - ESPN
Rockies right-hander German Marquez to have Tommy John surgery - ESPN
Rockies extend ace and former All-Star, but real arm concerns linger - Denver Sports
How Tommy John Surgery Has Evolved Since Frank Jobe - The New York Times