4. Method of Election:
A. BBWAA Screening Committee — A Screening Committee consisting of baseball writers will be appointed by the BBWAA. This Screening Committee shall consist of six members, with two members to be elected at each Annual Meeting for a three-year term. The duty of the Screening Committee shall be to prepare a ballot listing in alphabetical order eligible candidates who (1) received a vote on a minimum of five percent (5%) of the ballots cast in the preceding election or (2) are eligible for the first time and are nominated by any two of the six members of the BBWAA Screening Committee.
B. Electors may vote for as few as zero (0) and as many as ten (10) eligible candidates deemed worthy of election. Write-in votes are not permitted.
C. Any candidate receiving votes on seventy-five percent (75%) of the ballots cast shall be elected to membership in the National Baseball Hall of Fame.
5. Voting: Voting shall be based upon the player's record, playing ability, integrity, sportsmanship, character, and contributions to the team(s) on which the player played.
6. Automatic Elections: No automatic elections based on performances such as a batting average of .400 or more for one (1) year, pitching a perfect game or similar outstanding achievement shall be permitted.
7. Time of Election: The duly authorized representatives of the BBWAA shall prepare, date and mail ballots to each elector no later than the 15th day of January in each year in which an election is held. The elector shall sign and return the completed ballot within twenty (20) days. The vote shall then be tabulated by the duly authorized representatives of the BBWAA.
8. Certification of Election Results: The results of the election shall be certified by a representative of the Baseball Writers' Association of America and an officer of the National Baseball Hall of Fame and Museum, Inc. The results shall be transmitted to the Commissioner of Baseball. The BBWAA and National Baseball Hall of Fame and Museum, Inc. shall jointly release the results for publication.
9. Amendments: The Board of Directors of the National Baseball Hall of Fame and Museum, Inc. reserves the right to revoke, alter or amend these rules at any time.
http://baseballhall.org/hall-famers/rules-election/bbwaa
Best HR hitter on steroids, yes. But he doesn't meet the criteria to be in the HOF, see rule 5. After 75 years I have my doubts they are going to change a fundamental principle.