Steven John Dunning (born May 15, 1949) is an American former professional baseball player. He played in Major League Baseball as a right-handed pitcher between 1970 and 1977.
On May 11, 1971, Dunning had the distinction of hitting a grand slam home run off of Oakland Athletics pitcher Diego Seguí. This remained the last grand slam hit by an American League pitcher until Félix Hernández of the Seattle Mariners accomplished the same feat June 23, 2008 in a game against the New York Mets.
Cleveland Indians (1970-1973)
Texas Rangers (1973-1974)
California Angels (1976)
Montreal Expos (1976)
Oakland Athletics (1977)
Sent him 2 cards on 1 Dec and got them back signed on 29 Dec
Mr Steve Dunning
5710 Oakleigh Ln
Colleyville, TX 76034
Steve Dunning Baseball
Forum rules
Sponsored link: Google Workspace 14-day free trial
Upload your pictures here: Surf My Pictures | Google Photos | Imgbb
Sponsored link: Google Workspace 14-day free trial
Re: Steve Dunning Baseball
Hi again caappy 
Thank you for your feedback
Would you have a scan of the cards and envelope you received please?
If so, you are in the run for the $10 gift certificate.
Steve Dunning on Fanmail.biz
Fanmail
Thank you for your feedback
Would you have a scan of the cards and envelope you received please?
If so, you are in the run for the $10 gift certificate.
Fanmail
Via Venue Addresses (Until March 2026) - updated 12/11/2025
Fanzine Newsletter
Subscribe to Fanmail.biz newsletter 
Fanzine Newsletter