#1 Chael Sonnen
Even though Conor McGregor ended up being the biggest draw in UFC history, the original biggest draw was Chael P. Sonnen. Unfortunately though, Sonnen never truly reach his potential as a draw simply because he was never able to beat the number one guy in the two weight classes he competed in.
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Sonnen is every bit as good at selling fights as Conor McGregor is, and on top of that, his size wouldn't be an issue in WWE because he currently walks around at about 220. Also, unlike McGregor, Sonnen is over six feet tall, which would also help him out in WWE.
The only negative would be Sonnen's age (41), but he clearly knows how to cut a promo, he knows how to be a great heel, and he's been a fan of the business for his entire life. Hence, much like Daniel Cormier, he'd probably pick up on everything very quickly.
Also, because of the size difference between McGregor and Sonnen, WWE fans might take the latter more seriously should he ever get in the ring with Brock Lesnar or Bobby Lashley.
Which other UFC fighters would you like to see in the WWE and why? Let us know in the comments section below.