Upton is a huge 'big rig' (aka, she's all-round thick). Daddario is shorter, lighter ... which (to me) means she's going to have a difficult time putting her bosom on Kate Upton's face and keeping it there long enough to win this.
And there's no reason Upton can't snuff out Alex from below, either!
Size and strength will be Upton's keys to victory (IMHO.... and my not so 'H' opinion too!)