Each year I do a Keltner List of someone whose Hall of Fame credentials need further examination. I haven't done one this year in part because I've been working on something bigger. This "project" took up considerable time but I think I'm ready to utilize it now. This is good because it's just in time for the Hall of Fame ballot results to be announced.
There are two ways to build a hall of fame case: a long productive career with many good seasons or a strong peak that puts a player among the elite at their position. Obviously some players did both but many more players failed to do either. I've created a ranking system called Hall of Fame Score (HOFSc) which is pretty similar to Baseball Prospectus' JAWS. HOFSc relies upon WAR values whereas BP uses WARP. So let's review each player's candidacy with my new little toy.
Catchers - Avg HOFSc = 45.5
Sandy Alomar, Jr. (15.0): Sandy was an average catcher who hung around for a long time. He was the 1990 AL Rookie of the Year and played in two World Series with Cleveland. He was nothing special as a player but seems he had other non-quantifiable virtues that made him a guy teams wanted to have on their team.
Mike Piazza (57.15): Perhaps the greatest offensive catcher of all time, Piazza should be a lock for the Hall. I have him ranked as the fifth greatest catcher of all time, just behind Yogi Berra. There are rumors Piazza was a PED user though I've never seen anything concrete in that regard.