#2 Not the main event
There’s an alternate universe in which stars of the size, look, and credibility of Bobby Lashley and Brock Lesnar would make for an obvious WrestleMania main event pairing.
In this universe, however, Lashley has not been set up as a WrestleMania main eventing talent.
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While Lesnar certainly has the stature, even he’s far from a sure thing given the mixed reactions to so many of his high profile matches (not least of all his most recent WrestleMania main event with Roman Reigns).
Lashley vs. Lesnar would likely be kept relatively short and to protect against fans rejecting it, or feeling ripped off by a fast main event, would likely go on second to last, if not earlier in the card.
Of course, even now, with Seth Rollins—one of the best respected and most popular stars on the roster—challenging Lesnar, it seems likely that the women are going to get to close out the show to capitalize on Ronda Rousey’s star power, how over Becky Lynch is in this moment, and potentially throwing Charlotte Flair into the mix for some extra intrigue.