|UFC 42: Sudden Impact|
|Promotion||Ultimate Fighting Championship|
|Date||April 25, 2003|
|Venue||American Airlines Arena|
UFC 42: Sudden Impact was a mixed martial arts event held by the Ultimate Fighting Championship on April 25, 2003, at American Airlines Arena in Miami, Florida. The event was broadcast live on pay-per-view in the United States, and later released on DVD.
UFC 42 was the first UFC event to take place in Florida. Headlining the event was a Welterweight Title bout between Matt Hughes and Sean Sherk. UFC 42 also marked the first UFC appearance of future Middleweight Champion Rich Franklin.
|Welterweight||Matt Hughes (c)||def.||Sean Sherk||Decision (unanimous) (49–46, 48–47, 48–45)||5||5:00||[a]|
|Welterweight||Pete Spratt||def.||Robbie Lawler||Submission (injury)||2||2:28|
|Welterweight||Dave Strasser||def.||Romie Aram||Decision (unanimous) (30–27, 30–27, 30–27)||3||5:00|
|Heavyweight||Wesley Correira||def.||Sean Alvarez||TKO (knees and punches)||2||1:46|
|Light Heavyweight||Rich Franklin||def.||Evan Tanner||TKO (punches)||1||2:40|
|Lightweight||Duane Ludwig||def.||Genki Sudo||Decision (unanimous) (29–28, 29–28, 29–28)||3||5:00|
|Lightweight||Hermes Franca||def.||Rich Crunkilton||Decision (unanimous) (29–28, 29–28, 29–28)||3||5:00|
|Middleweight||David Loiseau||def.||Mark Weir||KO (punches)||1||3:55|
- For the UFC Welterweight Championship.