Samoa Joe Winning WWE Universal Championship at SummerSlam?

With SummerSlam being only six days away, tonight's Raw show will be the final show for the red brand prior to WWE"s biggest event of the summer.
The main event of this year's SummerSlam will be a fatal four way Universal Championship match between the champ Brock Lesnar, Samoa Joe, Roman Reigns, and Braun Strowman. As of this writing, Lesnar is favored to retain the title when WWE heads to Brooklyn next month, which is the finish that everyone is expecting. But what if Lesnar loses? Will WWE pu