William Sriyapai
UFC DebutNickname“The Bull”
Record
Streak
W1
Age
Date of birth
- Fighting out of
- Rancho Cucamonga, California
- Born
- United States
- Camp
- Millennia MMA
- Weight class
- Welterweight
- Height
- 5'7" · 170 cm
Before the UFC
William Sriyapai makes their UFC debut
Our striking, grappling, and schedule metrics are measured from UFC fights, so they come online after this bout. Here is the career they bring in — and how live the opposition has been.
Pre-UFC opposition
ModerateOpponents' combined record
219-200-7
.523 win rate
Winning-record opponents
7 of 13
carried winning pro records
Pro bouts faced
23
13 opponents with records on file
A descriptive read of the non-UFC slate from opponents’ full career pro records — not a UFC-grade Schedule Score.
UFC fight history
No UFC bouts on record yet.
Outside the UFC
across 23 bouts · 10 promotions · wins by 9 KO · 3 sub · 1 decKOTC · Gladiator Challenge · PFC · Bellator · Havoc Fighting Championship +5
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Charlie Williams | KO/TKO | Punch | R1 | 1:18 | Gladiator Challenge | Dec 14, 2019 |
| L | Antonio McKee30-6-2 | KO/TKO | Punches | R2 | 1:17 | Bellator | Sep 28, 2019 |
| W | Leon Klee1-14 | KO/TKO | Punches | R3 | 1:32 | KOTC | Mar 10, 2019 |
| L | Ryan Machan24-9 | KO/TKO | Punches | R1 | 4:22 | Havoc Fighting Championship | Sep 6, 2013 |
| L | Submission | Triangle Choke | R1 | 0:52 | LOP | May 5, 2012 | |
| L | Martin Grandmont13-7 | KO/TKO | Head Kick | R1 | 2:03 | Instinct MMA | Oct 7, 2011 |
| L | Chris Horodecki21-7-1 | Submission | Rear-Naked Choke | R1 | 4:02 | FFI | Jun 27, 2009 |
| W | William Koogle | KO/TKO | — | R1 | 1:13 | Gladiator Challenge | Feb 4, 2009 |
| L | Donald Sanchez31-20 | KO/TKO | — | R2 | 3:41 | KOTC | May 15, 2008 |
| W | Alex Richard | KO/TKO | Punches | R1 | 4:36 | KOTC | Mar 27, 2008 |
| W | Alex Richard | KO/TKO | Punches | R1 | 3:29 | KOTC | Jan 24, 2008 |
| W | Chai Sirisute Jr. | Decision | Unanimous | R2 | 5:00 | KOTC | Oct 7, 2007 |
| W | Soky Aguilar | KO/TKO | Punches | R1 | 2:21 | KOTC | Aug 5, 2007 |
| W | Kenneth Tenorio | KO/TKO | Punches | R1 | 1:36 | KOTC | Oct 13, 2006 |
| W | Albert Hill3-20 | KO/TKO | Punch | R2 | 2:09 | KOTC | Aug 4, 2006 |
| W | Charles Benway | KO/TKO | — | R1 | 1:06 | KOTC | Jun 9, 2006 |
| W | Wilberth Montoya | Submission | Guillotine Choke | R1 | — | TOTP | May 13, 2006 |
| L | Charles Bennett31-48-2 | Decision | Unanimous | R2 | 5:00 | KOTC | Jun 12, 2004 |
| W | Blaise Soles1-3 | Submission | Guillotine Choke | R2 | 1:02 | PFC | Feb 7, 2004 |
| L | Charles Bennett31-48-2 | Decision | Split | R2 | 5:00 | KOTC | Sep 5, 2003 |
| W | Oleg Zakharov | N/A | — | R0 | 0:00 | RSFCF | May 1, 2003 |
| L | Rob McCullough19-8 | Decision | Unanimous | R1 | 5:00 | PFC | Apr 5, 2003 |
| W | Kit Cope6-7 | Submission | Rear-Naked Choke | R1 | 3:18 | KOTC | Oct 30, 1999 |
Non-UFC bouts (regional/other promotions) and Dana White’s Contender Series — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.