Mark Dewey pitched six seasons in the major leagues for the Giants, Mets and Pirates, winning 12 games and saving 8. Now the pitching coach for the minor league Washington Wild Things and for Emory and Henry College, he kindly answered my questions about baseball cards.
"I have a baseball card from my time with the Pirates that has a picture of me on the front, but a picture of Jeff Ballard (one of my teammates) on the back.
I did collect as a child, but have not for many years--though I do have a complete set from the 1987 Everett Giants."
Thanks! I couldn't find the card with the Ballard photo (perhaps it is 1994 Fleer Update?) but here is one with Dewey, from 1995 Topps.
21 minutes ago