#5. Bobby Lashley vs Rusev

One of the most recent additions on the list, the reason it's added is due to Rusev's WWE release in April 2020. In the tail end of September 2019, Lana and Bobby Lashley revealed themselves as a new on-screen couple, despite her being married to Rusev.
Controversial at first, it surprisingly led to Rusev gaining a lot more momentum as a babyface. The problem is that in these kinds of situations, it makes sense for the babyface to win to get an actual payoff - and there was none of that.
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On various occasions, Rusev would face Bobby Lashley and constantly lose. The only time he got one over him was when he teamed up with Liv Morgan to take on Lashley and Lana - and it was Morgan who picked up the win for her team.
Rusev was injured in February and the storyline was abruptly canceled before he was released a couple of months later. WWE has made no mention of it and will likely keep it that way going forward.