This won't be the first time Murray and Viall have gone head-to-head on TV, as the guys previously fought for Andi Dorfman on her The Bachelorette season.
The guys didn't like each other then, and things only got worse once Viall called Dorfman out on After the Final Rose for having sex with him when she ultimately got engaged to Murray.
Previews for the currently-airing third season of Bachelor in Paradise show Stanton kissing both guys and then Murray stealing her away from Viall. One scene suggests Stanton and Murray get physical in bed together.
[Spoiler Warning: Stop reading now if you don't wish to learn how Paradise allegedly ends for this trio].
After their first date on the show, Stanton and Murray spent "every minute together," becoming Season 3's power couple like Jade Roper and Tanner Tolbert in the season before them, according to Reality Steve spoiler blogger Steve Carbone.
Stanton and Murray got engaged at the end of Bachelor in Paradise, says Carbone, and they appear to still be together.
To support Carbone's information, he posted a photo Wednesday on his blog of Murray and Stanton shopping together at Target on Monday. Both individuals were wearing hats in attempt to conceal their identities, but their disguises clearly didn't work.
While Stanton allegedly received warnings about Murray, she posted on Instagram three weeks ago, "If you feel with all your heart that something is right, it probably is." She also follows Murray's mother, Lauren Murray, on Twitter.
Further seeming to confirm Carbone's spoiler, Murray recently tweeted about his roadtrips to California with his beloved dog Sabel in the car. Stanton currently resides in Rancho Santa Margarita, CA, and Murray has reportedly been living in Los Angeles.
As for Viall in Paradise, he allegedly moved on from Stanton to Jennifer Saviano, whom Ben Higgins eliminated from his The Bachelor season fairly early on.
According to Carbone, Viall and Saviano enjoyed an overnight date together but then split at the end of their journey, although Viall is shown mulling over Neil Lane engagement rings in the previews.
It's unclear whether Viall had a change of heart or he got dumped for the third time pre-proposal on national television. The split was amicable though, as the pair is allegedly still in contact.
A possible factor behind the breakup? Viall currently resides in Los Angeles, while Saviano is across the country living in Florida.