Beerbohm has openly stated he discovered his passion for MMA while locked up in prison at Walla Walla for charges related to methamphetamine usage. On the day of his release, Beerbohm had his father stop at a Brazilian jiu-jitsu training center in Spokane, Washington. Beerbohm later had his first amateur MMA bout after a week of training. As an amateur, he went undefeated with a record of 10–0. Beerbohm only spent 23 months learning and training in MMA before going pro.
Beerbohm made his professional debut in April 2007 and amassed an undefeated record of 6–0 before signing with EliteXC in 2008. He then went undefeated 2–0 in the organization before it was dissolved.
Following the closing of EliteXC, Beerbohm fought for both King of the Cage and Strikeforce. In October 2009, he signed a multi-fight deal with Strikeforce. He scored the biggest win of his career in May 2010 over heralded BJJ practitioner Vitor Ribeiro by split decision on the Strikeforce: Heavy Artillery card.
On February 18, 2011, Beerbohm lost the first fight of his career via unanimous decision to MMA veteran Pat Healy at Strikeforce Challengers: Beerbohm vs. Healy.
Beerbohm quickly returned to action and faced Shinya Aoki on April 9, 2011, at Strikeforce: Diaz vs. Daley. He lost the fight via submission in the first round.
Beerbohm defeated former PRIDE and UFC fighter Marcus Aurélio in his ShoFight debut after signing a one fight contract with the promotion.
In September 2012 Beerbohm signed a contract with the Las Vegas based promotion World Series of Fighting; the owner of WSOF, K-1 kickboxing legend Ray Sefo, personally met with Beerbohm to secure the multi fight contract in his home state of Washington. In his debut Beerbohm faced UFC vet Jacob Volkmann at WSOF 3 on June 14, 2013. He lost via unanimous decision.
Beerbohm stars in Fight Life, an award-winning documentary on the sport of MMA. The film documents his life inside and outside the cage from 2008-2012, the film is directed by James Z. Feng and released in 2013.
Beerbohm received his nickname "Fancy Pants" due to the unusual multi-colored and form-fitting shorts that he wears during his fights. They are personally made by his mother.
Beerbohm has openly talked about his struggles with drug addiction. Despite staying clean for a number of years, in 2016 Beerbohm relapsed and is currently dealing with a number of criminal issues related to recent arrests.