#1 It keeps Cena-Styles interesting
These days, the WWE has a bad habit of running singles matches in long-term feuds at two or three consecutive major events until they go stale. In this case, however, a six-man tag team match adds a fresh layer to the on-going Styles-Cena rivalry.
Since the two only fought once thus far, with the "Phenomenal One" going over at Money in the Bank, this bout will provide a nice bridge to a rematch between the two at SummerSlam.
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What’s especially interesting about this is that being teamed in a match at Battleground allows for Cena to go over AJ Styles which could(maybe, just maybe) lead to AJ picking up the win at SummerSlam.
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