#3 Their program will go beyond one pay per view
In any feud, the best part is the build – battle physically and verbally, expressing their displeasure with one another in engaging exchanges on the microphones, unsuspected attacks, and interference in matches that one of the parties isn't involved in.
In the build for this match, it's been Corbin leading the way by attacking Zayn, and in doing so has gotten the better of him repeatedly. This match could see anything take place, whether it's a quick roll up or small package win that the other party wasn't prepared for.
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This shouldn't be seen as a one and done match up, but rather the first battle in a war that will go beyond this particular event. A win for Zayn at Backlash doesn't mean Corbin will not ultimately get the last say, instead, it suggests that he will be even more motivated to squash Zayn down the line.