Getting into the Baseball Hall of Fame isn't a simple matter of pushing a button. There are just a couple hundred players enshrined in Cooperstown, and only seven more have been added since 2008.
Ever has it been, so shall it ever be. The Hall of Fame is an exclusive club, not a high school party.
One thing we all have to realize, though, is that it doesn't necessarily take a place in the Hall of Fame to validate a career. There are plenty of players who aren't, and who likely never will be in the Hall of Fame, who can claim to have been "very good," even if they weren't "great."
If we were to put together an all-time Hall of "Very Good" players, it would look something like this...
Note: Statistics in this piece are courtesy of both Baseball-Reference.com and FanGraphs. The one thing you have to be particularly mindful of is that "rWAR" refers to B/R.com's calculation of WAR, and "fWAR" refers to FanGraphs' calculation of WAR.