Duane Ludwig, a seasoned mixed martial artist, competed with a record of 21 wins, 14 losses, and no draws. He specialized in the welterweight division, standing at 5 feet 10 inches tall with a reach of 70 inches, adopting an orthodox stance. In terms of performance statistics during his UFC career, Ludwig demonstrated a significant strikes per minute average of 4.62, striking accurately 44% of the time while absorbing 3.05 strikes per minute. His strike defense was commendable at 57%, and he averaged attempting 0.1 submissions per fight. Ludwig's most notable victory came against Amir Sadollah, who held an ELO rating of 1056. In his recent fights, Ludwig won against Nick Osipczak via a split decision in November 2010 and defeated Sadollah again in August 2011 by unanimous decision. However, he suffered losses to Josh Neer via submission (guillotine choke), Dan Hardy via knockout/technical knockout (punch), and Che Mills via knockout in 2012. His last recorded fight was on September 29, 2012.
| Date | Event | Opponent | Method | Round | Time | Result |
|---|---|---|---|---|---|---|
| 2012-09-29 | UFC on FUEL TV: Struve vs Miocic | Che Mills | KO/TKO | 1 | 2:28 | Loss |
| 2012-05-26 | UFC 146: Dos Santos vs Mir | Dan Hardy | KO/TKO Punch | 1 | 3:51 | Loss |
| 2012-01-20 | UFC on FX: Guillard vs Miller | Josh Neer | SUB Guillotine Choke | 1 | 3:04 | Loss |
| 2011-08-14 | UFC Live: Hardy vs Lytle | Amir Sadollah | U-DEC | 3 | 5:00 | Win |
| 2010-11-13 | UFC 122: Marquardt vs Okami | Nick Osipczak | S-DEC | 3 | 5:00 | Win |
| 2010-03-21 | UFC Live: Vera vs Jones | Darren Elkins | KO/TKO | 1 | 0:44 | Loss |
| 2010-01-02 | UFC 108: Evans vs Silva | Jim Miller | SUB Armbar | 1 | 2:31 | Loss |
| 2006-01-16 | UFC Fight Night 3 | Jonathan Goulet | KO/TKO Punch | 1 | 0:06 | Win |
| 2003-04-25 | UFC 42: Sudden Impact | Genki Sudo | U-DEC | 3 | 5:00 | Win |
| Fight # | Date | Opponent Name | Opponent ELO | Result | ELO Gained | ELO |
|---|---|---|---|---|---|---|
| 9 | 2012-09-29 | Che Mills | 1007 | Loss | -15 | 976 |
| 8 | 2012-05-26 | Dan Hardy | 990 | Loss | -17 | 991 |
| 7 | 2012-01-20 | Josh Neer | 1021 | Loss | -16 | 1008 |
| 6 | 2011-08-14 | Amir Sadollah | 1056 | Win | +18 | 1024 |
| 5 | 2010-11-13 | Nick Osipczak | 1025 | Win | 0 | 1006 |
| 4 | 2010-03-21 | Darren Elkins | 1000 | Loss | -17 | 1006 |
| 3 | 2010-01-02 | Jim Miller | 1058 | Loss | -15 | 1023 |
| 2 | 2006-01-16 | Jonathan Goulet | 1020 | Win | +21 | 1038 |
| 1 | 2003-04-25 | Genki Sudo | 1021 | Win | +17 | 1017 |