Breakdown: In Your House was a pay-per-view event, under the WWF In Your House name, produced by the World Wrestling Federation (WWF) and presented by Stridex. It took place on September 27, 1998, at the Copps Coliseum in Hamilton, Ontario.
- WWF Sunday Night Heat - Golga defeated Mosh
- WWF Sunday Night Heat - The Hardy Boyz (Matt Hardy and Jeff Hardy) defeated Kaientai (Men's Teioh and Funaki)
- WWF Sunday Night Heat - 8-Ball and Skull defeated Billy Gunn - Handicap Match
- Owen Hart defeated Edge
- Al Snow and Scorpio defeated Too Much (Brian Christopher and Scott Taylor)
- Marc Mero (with Jacqueline) defeated Droz
- Bradshaw defeated Vader - Falls Count Anywhere
- D'Lo Brown defeated Gangrel
- The Rock defeated Ken Shamrock and Mankind - Triple threat steel cage match for the number one contendership to the WWF Championship
- Val Venis (with Terri Runnels) defeated Dustin Runnels
- D-Generation X (Billy Gunn, Road Dogg and X-Pac) defeated Jeff Jarrett and Southern Justice (Mark Canterbury and Dennis Knight)
- Kane and The Undertaker defeated Stone Cold Steve Austin (c) - Triple threat match for the WWE Championship where Undertaker and Kane could not pin each other