| Fight Name: | Errol Spence Jr. vs. Shawn Porter |
| Fight Date: | September 28, 2019 |
| Location: | Staples Center, Los Angeles, California, U.S. |
| Titles: | WBC and IBF welterweight titles |
| Fighter1: | Errol Spence Jr. |
| Nickname1: | The Truth |
| Record1: | 25–0 (21 KO) |
| Hometown1: | Dallas, Texas, U.S. |
| Height1: | 5 ft 9 in |
| Weight1: | 147 lb |
| Style1: | Southpaw |
| Recognition1: | IBF welterweight champion The Ring No. 6 ranked pound-for-pound fighter |
| Fighter2: | Shawn Porter |
| Nickname2: | Showtime |
| Record2: | 30–2–1 (17 KO) |
| Hometown2: | Cleveland, Ohio, U.S. |
| Height2: | 5 ft 7 in |
| Weight2: | 147 lb |
| Style2: | Orthodox |
| Recognition2: | WBC welterweight champion |
| Result: | Spence Jr. wins via 12-round split decision (116–111, 112–115, 116–111) |
Errol Spence Jr. vs. Shawn Porter was a professional boxing welterweight championship unification match contested between IBF champion Errol Spence Jr. and WBC champion Shawn Porter.[1] The event took place on September 28, 2019 at the Staples Center in Los Angeles, California.[2] Spence Jr. won the fight via split decision, with two scorecards reading 116–111 for Spence Jr., and the third 115–112 for Porter.[3]
Spence Jr. and Porter participated in a frenetic encounter from start to finish, with one CBS analyst declaring it a "fight of the year candidate". Porter started fast, sometimes overwhelming Spence Jr. in the early rounds. Spence Jr., however, began attacking Porter's body and was able to slowly gain a slight edge on the judges' scorecards. With the fight still close, Spence Jr. landed a short left hook to Porter's chin in round eleven, causing Porter's glove to touch the canvas and scoring the only knockdown of the fight. Porter remained on his feet and received an eight-count by referee Jack Reiss before resuming the contest, finishing the round, and engaging in an action-packed twelfth and final round.
In the end, Spence Jr. was given a split decision win on the official scorecards, with Filipino judge Rey Danseco and Steve Weisfeld had it 116–111 for him and Larry Hazzard Jr tallied 115–112 for Porter. Spence Jr. won Porter's WBC title and successfully defended his IBF title for the fourth time.
The fight was telecast on Fox Sports pay per view in the United States, Sky Sports in the United Kingdom and via FITE TV on pay per view outside of North America.
| Weight Class | vs. | Method | Round | Time | Notes | |||
|---|---|---|---|---|---|---|---|---|
| Welterweight |  Errol Spence Jr. (c) | def. | Shawn Porter (c) | 12/12 | ||||
| Super middleweight | David Benavidez | def. | Anthony Dirrell (c) | KO | 9/12 | |||
| Super lightweight | Mario Barrios | def. |  Batyr Akhmedov | UD | 12/12 | |||
| Welterweight | Josesito Lopez | def. | KO | 8/10 | ||||
| Welterweight | def. | Gerald Thomas | UD | 10/10 | ||||
| Welterweight |  Fabián Maidana | def. |  Ramses Agaton | KO | 1/8 | |||
| Welterweight | Alfonso Olvera | def. | Amon Rashidi | UD | 8/8 | |||
| Super middleweight | Misael Rodriguez | def. | Brandon Maddox | KO | 3/8 | |||
| Featherweight | Juan Antonio Lopez | def. | Fernando Garcia | UD | 8/8 | |||
| Middleweight | Leon Lawson III | def. | Alan Zavala | KO | 2/8 | |||
| Light heavyweight | Burley Brooks | def. | Fabian Valdez | KO | 1/6 | |||
| Welterweight | Lindolfo Delgado | def. | Jesus Zazueta Anaya | KO | 6/6 | [5] | ||
| Middleweight | Joey Spencer | def. | Travis Gambardella | KO | 3/4 | |||
| Super featherweight | Jose Valenzuela | def. | Charles Clark | KO | 1/4 |