#4 Goldberg (WWE Hall of Famer)
Goldberg made his return to WWE a few weeks ago on RAW Legends Night to challenge Drew McIntyre for the WWE Championship. With Goldberg back and set to face Drew at the Royal Rumble, one of his matches from his two-matches-per-year contract is already booked. Some fans are speculating that Goldberg might be winning the Championship at Royal Rumble, but it could still go either way. If Goldberg loses the match, then there is still room for another bout featuring the WCW icon. In such a case, not booking him on the WrestleMania card would be a missed opportunity.
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Since Goldberg might be staying around until WrestleMania, there is a huge match that WWE could make official, and that would be John Cena vs. Goldberg. These two names are some of the most popular wrestlers of their respective generations. Yet, both of them haven't shared the same ring yet. WWE are presented with an opportunity to create yet another icon versus icon match. As most people know, Cena has had his fair share of clashes with megastars from the past, back in the early 2010s. But now might be the time for another one of those 'once in a lifetime' matches.
This may be more of an exhibition match, but it could certainly answer the question of which star out of the two would walk out as the winner from their clash. Goldberg vs. John Cena might be the perfect star-studded match for this year's WrestleMania.