Banuelos made his professional mixed martial arts debut in June 2001, knocking out Daniel Garlets at IFC Warriors Challenge 13. Following the impressive win, Banuelos would compile a record of 3–1 before signing with World Extreme Cagefighting in 2002.
World Extreme Cagefighting
Banuelos is perhaps best known for being a longtime competitor for World Extreme Cagefighting, making his debut at WEC 5: Halloween Havoc. He fought a record 14 times under the promotion, compiling a record of 9–5. His 9 WEC wins are also a promotional record, which he shares with Urijah Faber and Poppies Martinez.
Banuelos defeated Scott Jorgensen via split decision at WEC 41 in a fight that many, including WEC general manager Reed Harris has speculated is a candidate for fight of the year.[2]
Banuelos improved to 8–4 in the WEC after defeating Kenji Osawa via unanimous decision on November 18, 2009, at WEC 44.[3]
Banuelos was scheduled to face Damacio Page on April 24, 2010, at WEC 48,[4] but Page was forced off the card with an injury. Banuelos instead faced Jorgensen in a rematch of their bout from WEC 41 which Banuelos won via split decision.[5] Banuelos lost the rematch by unanimous decision.[6]
Banuelos faced Chad George on September 30, 2010, at WEC 51.[7] He won the fight via unanimous decision.
Banuelos made his promotional debut against the former WECBantamweight Champion Miguel Torres on February 5, 2011, at UFC 126.[9] Banuelos struggled with the height and reach advantage of Torres and was unable to mount any significant offense until the latter half of the final round. He lost the fight via unanimous decision, and was subsequently released from the promotion.
Legacy Fighting Championship
After going 2–1 outside of the UFC, Banuelos signed with Texas based promotion Legacy FC. He faced Josh Sampo in his flyweight debut at Legacy FC 14 on September 14, 2012.[10] He lost the fight via unanimous decision.
In his second fight within the promotion, Banuelos faced Rafael de Freitas at Legacy FC 18 on March 1, 2013. After three hard fought rounds, the bout was ruled a split draw.[11] Banuelos faced Alptekin Ozkilic at Legacy FC 20 on May 31, 2013.[12] He lost the fight via first round TKO, dropping his third straight fight in the process.