Uh, no.
The question was asked on Twitter tonight, and while he might be the elder statesman in MLB currently, he's got to put up numbers for at least three more years to even measure up to his contemporaries who have made that grade.
Consider:
McCann has played 13 years. He has an All-Star Game MVP among his seven selections. He has a career 1,481 hits, 263 homers, 950 RBIs and a .264 average.
(we are using old school stats because that's largely what the voters use, right or wrong)
Gary Carter:
19-year career, 11-time all-star. Has 2,092 career hits, 324 homers, 1225 RBIs, .262 average
Pudge Rodriguez
21-year career, 14-time all-star. Has 2,844 career hits, 311 homers, 1332 RBIs,.296 average.
Mike Piazza
16-year career, 12-time all-star. Has 2,127 hits, 427 homers, 1335 RBIs, .308 average!
Carlton Fisk
21-year career(!), 11-time all-star. Has 2,356 hits,376 homers, 1330 RBI, .269 average.
How about compared to Jorge Posada?
17-year career, 5-time all star. Has 1,664 hits, 275 homers, 1,065 RBI, .273 average. He got 3.8 percent of the vote this year, one and done. If that's all he gets, then McCann has no shot unless he continues a few more seasons of all-star caliber play. Long odds.