After the events of Friday Night SmackDown and Monday Night Raw in the last week, many were expecting a backlash from main roster stars following the NXT invasions we have seen.Unbeknownst to some, the week-long European tour starts later today in the United Kingdom - a SmackDown event in Brighton - which meant that none of their stars could send a hit back to NXT.Raw though had a bit of leeway considering their first UK event is on Friday, and three of the top guys from Monday nights got some revenge on Undisputed Era.Before NXT even went on-air on the USA Network last night, Adam Cole and his stable were jumped by The O.C. - AJ Styles, Luke Gallows and Karl Anderson - a 'receipt' from the brawl they started this past Monday.

The O.C. then opened the show and claimed that they were taking over - only to be confronted by three of the top babyfaces in NXT in Tommaso Ciampa, Matt Riddle and Keith Lee.

The gauntlet was laid down for a huge main event match, pitting all three of The O.C. against Ciampa, Riddle and Lee.

It was the former trio's first-ever outing on Wednesday nights considering they all bypassed the system in 2016 following their arrivals from New Japan Pro Wrestling, and later in the night they'd have a meeting with an old friend.

As the babyface team were giving The O.C. a beatdown, out came the newly-returned Finn Balor, who set his sights on Riddle and hit him with the 1916 on the outside of the ring.

The Irishman then stared at Styles who was standing in the ring, and they traded poses, with Styles throwing up the 'Too Sweet', and Balor using the gun fingers that he was synonymous with during his days as Bullet Club leader before his WWE move.

Styles and Balor were never actually in the Biz Cliz together - 'Prince Devitt' left on the same night The Phenomenal One joined - but they still teased a joining together.

That was until Adam Cole got his revenge for The O.C's earlier attack by downing both Styles and Ciampa to make sure the main event was a no contest.

NXT have quite clearly got the upper hand of all the exchanges over the last week, which makes them look extremely strong going into Survivor Series in a couple of weeks time.

The invasions will probably stop for at least a week now, with the main roster heading overseas, but NXT arriving on the main roster has given the product a new injection of energy and long may it continue.