Baltimore Orioles - Wikipedia
Gregg Olson on the Orioles
Gregg Olson: A look at the ESPN baseball analyst, former MLB pitcher
Gregg Olson Archives - PressBox
Gregg Olson: A look at the ESPN baseball analyst, former MLB pitcher
0 to 99: Which Baltimore-area players wore their jersey numbers the best? - The Athletic
Gregg Olson. Orioles Hall of Famer.
Roots of Trevor Hoffman's 'Hells Bells' link stretch to one man's CD collection
Gregg Olson on the Orioles
Topps & fathers & sons
Rick Heller – University of Iowa Athletics