This from the supposed ACC bylaws, they specifically state that the "entering into or amending any Material Media Rights Agreement" requires a 2/3 vote by the Board.
1.6.2 Required Vote. Each Director shall be entitled to one vote each. Except as otherwise provided herein or in the Bylaws, if a quorum is present when a vote of the Directors is taken, the affirmative vote of a majority of all Directors present for such vote shall be an act of the Board. For the avoidance of doubt, all references in this Constitution or the Bylaws to the affirmative vote of: (a) a majority or two-thirds (2/3) of all “Directors present”, shall mean a majority or two-thirds (2/3) of all the Directors who are present at a Board meeting at which a quorum exists; (b) two-thirds (2/3) of all the Directors, shall mean two-thirds (2/3) of all the Directors of the Board, even if one or more of such Directors is not present for such vote (“Absolute Two-Thirds Matters”); and (c) three-fourths (3/4) of all the Directors, shall mean three-fourths (3/4) of all the Directors of the Board, even if one or more of such Directors is not present for such vote (“Absolute Three-Fourths Matters”). The Absolute Two-Thirds Matters are as follows: (i) any amendment to Article 2.5 of the Bylaws (Finances), (ii) selecting or changing the location of the Conference office, (iii) entering into or amending any Material Media Rights Agreement (as defined in Section 2.3.1(q)), (iv) the appointment, extension of the term, or removal of the Commissioner or the other matters set forth in Section 1.5.2.1.1, and (v) the initiation of any material litigation involving the Conference (but not, for clarity, the settlement of any
And, the bylaws specifically state the authority the Commissioner has in relation to media contracts and defines "material" as 5% of annual gross revenues:
2.3.1 Duties of the Commissioner.
Media Rights. Negotiate Media Rights agreements on behalf of the Conference, provided that all Material Media Rights Agreements shall be subject to approval by the Board under Section 2.10.3 and all other Media Rights agreements shall be subject to approval by the Executive Committee. “Material Media Rights Agreements” shall include any Media Rights agreement (i) that provides for an average annual value equal to or greater than 5% of the Conference’s aggregate gross revenue...
The bottom line is that if the Commissioner granted an extension to ESPN without 2/3rd approval of the Board, he did not follow the ACC Conference bylaws. Remember, I never said the Commissioner did unilaterally extend the extension date as that is unknown.