Edgar is tied for the 32nd best OPS in the history of baseball at .933. A lifetime OBP of .418 good for 21st all time. Led the AL in OBP 3 times and top 5 10 times. A career slash line of .312/.418/.515. While batting average isn't a great stat if someone has an extremely good lifetime avg then I think it does reflect on the quality of hitter and .312 is very good over 7200 at bats. 7 all star games and 5 Silver Slugger awards. I just do not see how he is even borderline. If he put the same numbers up in New York or LA he would already be in.
He is borderline because defense does matter. The fact that Edgar is that bad defensively that he can't even play a position passively does take him down several notches. Luckily WAR accounts for this and Edgars fWAR is 65.5 A total I would vote for in the HOF. However that is a borderline area. We have players like Jim Edmonds who get booted from voting the first time they are on it and players like Vlad who are in the 50's yet miss cooperstown by a few votes. It's an odd area to be in as far as HOF voting goes.