The September 2, 1999 Edition of Smackdown! was a televised Professional wrestling event by the WWF's Smackdown! brand, which was taped on August 31, 1999 at the Worcester Centrum in Worcester, Massachusetts.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Chyna defeated Billy Gunn in a WWF Intercontinental Title #1 Contender's Match (3:27)
- Tony Chimel defeated Howard Finkel in a Ring Announcer Tuxedo Match (1:54)
- X-Pac fought Chris Jericho to a no contest (3:38)
- Triple H defeated Gillberg to retain the WWF Championship (1:53)
- The Rock fought Mankind to a no contest in a WWF World Heavyweight Title #1 Contender's Match (3:29)
- Ken Shamrock defeated Val Venis (1:47)
- The Holly Cousins (Hardcore and Crash Holly), Viscera & Mideon, The Acolytes (Bradshaw and Faarooq), The Hardy Boyz (Matt & Jeff Hardy), Edge & Christian, Albert & Droz, and Stevie Richards & The Blue Meanie fought to a no contest in a tag team elimination match (7:07)
- The Rock & Mankind (c) defeated Triple H & Shane McMahon to retain the WWF World Tag Team Championship (6:56)
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