On January 2, 1984, he teamed with his brother Brad Armstrong for the first time, losing to Wayne Farris and Boris Zukhov in Birmingham, Alabama.

[4] Armstrong made his debut with WCW on May 27, 1990, on a house show in Los Angeles when he defeated Rick Fargo.

Armstrong then joined Jim Cornette's Smoky Mountain Wrestling, appearing on October 30 in Greensville, South Carolina, and defeating Dutch Mantell.

After defeating Carl Stiles in an opening round, wild card match he was pinned by Dirty White Boy in the quarterfinals.

[9] Armstrong made his return to WCW on January 18, 1994, at a TV taping for Main Event where he wrestled Tony Zane.

On March 6 he wrestled WCW World Television Champion Lord Steven Regal on The Main Event.

At Starrcade '94 on December 27, 1994, Scott teamed with his brother Brad Armstrong and wrestled a dark match against Arn Anderson and Bunkhouse Buck.

On January 25 in a dark match at Clash of Champions XXX Brad and Scott defeated Dick Slater and Bunkhouse Buck.

At the July 10th taping of WCW Pro, the World Tag Team champions Bunkhouse Buck and Dick Slater defeated the duo in the debut match.

On September 16 Disco Inferno would make his successful debut on WCW Saturday Night by pinning Armstrong.

On the July 28, 1996, edition of WCW Worldwide they fell to Lord Steven Regal and Squire Dave Taylor.

After this they moved on to a brief series of matches with Harlem Heat, and in May 1997 defeated the new duo of Jim Powers and Bobby Walker, the latter put together by Teddy Long.

On the September 13th PPV Fall Brawl '98 they were involved in an angle when WCW Worldwide announcer Mike Tenay attempted to interview them, only to be interrupted by Ernest Miller who then attacked both brothers.

On April 27, 1999, at a television taping in Bismarck, North Dakota, they faced the NWO for the first time and defeated Vincent and Stevie Ray.

At WWE's SummerSlam pay-per-view event on August 17, 2008, Armstrong refereed the Hell in a Cell match between Edge and The Undertaker.

At WrestleMania 25 on April 5, 2009, Armstrong refereed the main event WWE Championship match between Triple H and Randy Orton.

On September 13, 2009, at Breaking Point in Montreal, Armstrong was involved in a storyline in which he made a controversial call on the main event match between World Heavyweight Champion CM Punk and The Undertaker.

Armstrong called for the bell and declared Punk the winner, even though The Undertaker never actually submitted defeat, thus making a reference to the Montreal Screwjob (which was held in the same venue in 1997).

[20] However a year later, Armstrong reappeared on WWE programming on February 20, 2011, as the referee for the main event during the Elimination Chamber pay-per-view.

Scott Armstrong also officiated the match between CM Punk and Chris Jericho for the WWE Championship at WrestleMania XXVIII.