Josh Diekmann
UFC DebutNickname“The Freight Train”
Record
Streak
L3
Age
Date of birth
- Fighting out of
- Groton, Connecticut
- Born
- United States
- Camp
- Tri-Force MMA
- Weight class
- Heavyweight
- Height
- 6'2" · 188 cm
Before the UFC
Josh Diekmann 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
196-186-3
.513 win rate
Winning-record opponents
11 of 23
carried winning pro records
Pro bouts faced
24
23 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 24 bouts · 19 promotions · wins by 12 KO · 3 subBellator · FFP · CES MMA 32 · CES MMA 19.5 · CES MMA 13 +14
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Tyler King12-10 | Submission | Rear-Naked Choke | R2 | 1:39 | Bellator | Nov 4, 2016 |
| L | Ashley Gooch10-6 | Submission | Rear-Naked Choke | R1 | 4:30 | CES MMA 32 | Jan 8, 2016 |
| L | Raphael Butler | Submission | Guillotine Choke | R1 | 1:04 | Bellator | Feb 27, 2015 |
| W | Mike Wessel15-8 | KO/TKO | Punches | R1 | 0:47 | Bellator | Sep 5, 2014 |
| NC | Manny Lara4-4 | No Contest | Accidental Eye Poke | R1 | 0:18 | Bellator | Feb 28, 2014 |
| W | Chris Guillen13-16 | KO/TKO | Punches | R1 | 1:15 | CES MMA 19.5 | Nov 15, 2013 |
| W | Parker Porter13-9 | KO/TKO | Punches | R1 | 1:12 | Bellator | Sep 7, 2013 |
| L | Tyler King12-10 | Decision | Unanimous | R3 | 5:00 | CES MMA 13 | Oct 6, 2012 |
| L | Josh Hendricks19-11 | Submission | Arm-Triangle Choke | R1 | 2:21 | CES MMA 9 | Feb 3, 2012 |
| W | Randy Smith14-15-1 | KO/TKO | Punches | R1 | 0:12 | CFX 13 | Mar 12, 2011 |
| W | Bobby Favors10-15 | KO/TKO | Punches | R2 | 3:42 | CFX 8 | Feb 20, 2010 |
| L | Submission | Rear-Naked Choke | R1 | 0:56 | CFX 6 | Nov 14, 2009 | |
| W | David Woodby3-7 | KO/TKO | Punches | R1 | 1:01 | USFL | Sep 13, 2008 |
| L | Chris Guillen13-16 | Submission | Rear-Naked Choke | R2 | 0:40 | IFO | Sep 21, 2007 |
| W | Pat Schultz8-3-1 | KO/TKO | Punches | R1 | 0:45 | FFP | Jun 16, 2007 |
| W | Daron Adams2-1 | KO/TKO | Punches | R1 | 0:54 | WFL 15 | Feb 3, 2007 |
| W | Shane McClure0-3 | Submission | Armbar | R1 | 1:08 | CZ 19 | Dec 2, 2006 |
| L | Justin Eilers19-7-1 | KO/TKO | Punches | R1 | 2:29 | WEC | Oct 12, 2006 |
| W | Chris Herring5-19 | KO/TKO | Submission to Punches | R1 | 0:56 | CZ 13 | Mar 11, 2006 |
| W | Kevin Jordan11-9 | KO/TKO | Injury | R1 | 0:10 | FFP | Mar 4, 2006 |
| W | Dana Blouin2-2 | KO/TKO | Punch | R1 | 0:00 | WFL 5 | Feb 4, 2006 |
| W | David Woodby3-7 | Submission | Rear-Naked Choke | R1 | 2:35 | MD 21 | Jul 16, 2005 |
| W | Richard Wilson0-2 | Submission | Armbar | R1 | 0:33 | CZ 11 | Jun 25, 2005 |
| W | Joe Gomes0-3 | KO/TKO | Punches | R1 | 0:24 | WFL 1 | Feb 5, 2005 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.
Amateur
0-1across 1 amateur bout · 1 promotionMD 12
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Sean Gannon2-1 | KO/TKO | Punches | R1 | 2:37 | MD 12 | Aug 16, 2003 |
Amateur (pre-professional) bouts — shown for context only and excluded from the professional record and every UFC-scoped metric.