Mazeroski is the gold standard......let me compare Alomar to some other lumanaries in addition Maz (numbers through 2001)

. . . . . . . . . . . . .INN. . . . .DWS. . . .Per 1000 Inn
Bill Mazeroski. . . .18301. . ..112.2. . . . . .6.13
Nap Lajoie. .. . . ..18263. . ...85.7. . . . . .4.69
Nellie Fox.. .. . . ..20127. . ..111.5. . . . . .5.54
Bid McPhee.. . . ..18789. . ....98.7. . . . . .5.25
Bobby Grich. . . ..15098. . . ..85.8. . . . . .5.68
Roberto Alomar. ..17162. . . .86.8. . . . . ..5.06
Ryne Sandberg. ..17241. . . .89.0. . . . . ..5.16
Frankie Frisch. . ..15483. . . .83.9. . . . . ..5.42

So, only Lajoie had fewer win shares per 1000 innings. To put this in perspective, there were 73 second basemen in history that had 10,000 innings or more as of 2001. 19 of them had five win shares or more per 1000 innings. So, according to Bill James, Alomar is clearly a good, but not great defensive second basemen. Jim Davenport of Baseball Prospectus (numbers from the last post) is less optimistic. So Connors incredulity is correct in this case. We don't have universal agreement. Unfortunately, Alomar retired before the fielding bible became popular.