- Strong striking skills. Ludwig has won 10 fights via (T)KO.
- His KO of Jonathan Goulet at UFC Fight Night 3. The timekeeper scored it at 11 seconds; however, it was a 4 second KO, the unoffical UFC record for fastest KO.
- His KO of Jens Pulver at UCC 12. Ludwig became the first fighter to KO Pulver.
- Breaking his ankle in brutal fashion in his fight vs. Darren Elkins at UFC Live: Vera vs. Jones.
- Defeating Genki Sudo via UD at UFC: 42.
- Victories over Yves Edwards and Nick Osipczak.