The 1973 Baltimore Orioles finished first in the American League East with a record of 97 wins and 65 losses. The Orioles went on to lose to the Oakland Athletics in the 1973 American League Championship Series, 3 games to 2. This Reach official American League baseball was signed by 21 members of that team. Signatures include:

Earl Weaver, Billy Hunter, Mike Cuellar, Brooks Robinson, Jim Fuller, Jesse Jefferson, George Staller, Chuck Thompson, Boog Powell, Jim Palmer, Tommy Davis, Earl Williams, Doyle Alexander, Andy Etchebarren, Don Baylor, George Bamberger, Bob Grich, Mark Belanger, Paul Blair, Frank Baker, and Elrod Hendricks