#2. The Edge-Seth Rollins feud continues on SmackDown
Edge and Seth Rollins' feud on SmackDown started well before Money in the Bank 2021. The two kept crossing paths on SmackDown, even while Edge's focus was on Roman Reigns and the Universal Championship.
Ultimately, it was Seth Rollins who cost Edge his 12th World Championship victory at Money in the Bank, leading to a clash at SummerSlam. It was an incredible match between two veterans of two different generations.
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It was The Rated-R Superstar Edge who came out on top. On the last episode of SmackDown, Edge vowed that he would redirect his focus to the Universal Championship.
Seth Rollins, on the other hand, cut a condescending promo on SmackDown, sarcastically stating that Edge had won his respect. Seth Rollins even went as far as to say that if he wants to become the Universal Champion again, he needs to be more like Edge.
Since Roman Reigns is still occupied with the Universal title, it would be a bit surprising to see Edge and Seth Rollins continue their feud on SmackDown. It's not out of the realm of possibilities, however.
There could even be a scenario where both Edge and Seth Rollins simultaneously enter the Universal title match at Extreme Rules 2021.