Spoilers For Tonight’s (7/21) WWE SmackDown – The second Fatal 4 Way for the WWE United States Title Invitational between LA Knight, Sheamus, Cameron Grimes and Rey Mysterio, is set to open tonight’s WWE SmackDown on FS1 episode.

The winner of tonight’s Fatal 4 Way will advance to next week’s SmackDown to face Santos Escobar, who won last week’s Fatal 4 Way. The winner of next week’s singles match will be named the new #1 contender to WWE United States Champion Austin Theory.

According to PWInsider,  NXT North American Champion Dominik Mysterio will make his first title defense tonight against Butch. Rhea Ripley will also appear on the show.

As for the main event, the current plan is for the Roman Reigns – Jey Usos “Rules of Engagement” segment to close tonight’s edition of Friday Night Smackdown.

WWE has also announced that Charlotte Flair wil go one on one with Ms. Money In The Bank IYO SKY.

Stay tuned to WrestlingAttitude, WA.Com On Twitter and Google News for more.

Spoilers For Tonight’s (7/21) WWE SmackDown