Octavio Antonio (Castro) Fernandez played for 17 seasons and played 2 of them in San Diego after coming over from the Blue Jays in a multi player deal. He hit .274 and hit 8 home runs. I got the card in an eBay lot.
Alfred John Ferrara Jr. started his major league career in 1959 and was drafted by the Padres in the expansion draft from the Dodgers. He played 2.5 seasons for the Padres before being traded to the Reds in 1971. He hit .265 with 27 home runs in 293 games. I got the signed card from ABC unlimited.
Jeremy Joseph Fikac was drafted by the Padres in the 1998 draft, and made his major league debut in 2001. He pitched for 2 years for San Diego before being traded to Oakland as part of a conditional deal. He was 6 and 7 while with the Padres. I believe I got this signed through the mail.
Roland Glen Fingers is another Hall of Famer who played for the Padres. He is best known for his years with the A's and Brewers. Charlie Finley tried selling Rollie to the Red Sox but the commissioner voided the contract. He then became a free agent and signed with the Padres, he was 34-40 with a .312 ERA. I got this signed when Rollie made an appearance at PGE Park here in Portland.