There is a fevered battle going on to prevent Marathon Petroleum from consummating a deal to buy MarkWest Energy. Yesterday we told you that MarkWest was touting two more proxy advisory firms, in addition to a previously named advisory firm, have endorsed the deal (see War of Words Continues: 2 More Proxy Cos Endorse MarkWest Sale). We also told you that one of MarkWest’s two co-founders and a former CEO of the company, John Fox, is dead set against the deal (see Former MarkWest Energy CEO Urges Vote Against Marathon Buyout). The other MarkWest co-founder, Brian O’Neill, has now come out against the sale as well…
