I've been signing off for the last 15 minutes so I'm not going to dig this up. I read an article where Oscar said Pacquiao was going to make $20 mil/3 or 4 times his highest payday. I'll find it at some point and send it to your inbox.
That wasn't not a formal offer that Pacquiao. Here is one of many articles discussing a possible GBP offer and Manny's demands.
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