5 reasons why the Usos are facing Bryan and Rowan for the SmackDown Tag Team Championships 

#1 Heavy Machinery gets their match at a bigger stage

Heavy Machinery was lost in the shuffle once they were called up to the main roster. They weren't particularly pushed during their initial few months, but as they settled on SmackDown after the Superstar Shakeup, they found their groove, and are touted to be the next in line for a shot at the tag team championships.

Daniel Bryan and Rowan won't lose it on their first defense at MITB. They would carry the title for a few months now, and meanwhile, Heavy Machinery could earn their way to a contender status.

SummerSlam would be a grand enough stage for a title change and would present them with a crowning moment in front of a much larger audience watching them.

Thus, Heavy Machinery have been kept away from the championship picture for now, and The Usos have filled that spot for now.