With the band, he signed to Fueled by Ramen and Decaydance in 2007, subsequently releasing their debut album, Whisper War, in 2008.

DeLeon and Cash Colligan first began playing music together at Liberty High School (Henderson, Nevada) and recorded demos as a duo which they put up on their MySpace page.

[7] At this time, future guitarist Ian Crawford went to school in Auburn, WA and started out playing his guitar in talent shows and posting them on YouTube.

DeLeon asked drummer Alex Johnson, who was playing in a local hardcore band, to join The Cab.

[10] During this time they decided to replace Garcia with Ian Crawford, who moved from Washington to join the band.

[11] The band released their first studio album Whisper War, on April 29, 2008, featuring Brendon Urie of Panic!

[15] On June 22, 2011, The Cab announced on their website that they were departing from their label Fueled by Ramen and Decaydance Records before finally releasing their new album, Symphony Soldier.

After remaining independent for over a year, on August 31, 2012, The Cab announced that they had signed a record deal with Universal Republic.

With the signing to the record label, in late 2012, the band stated, during an interview, that they have begun work on their new album, to be released in mid-2014.

[17] The following month, he released his debut single, "Guns and Roses", accompanied with its music video, which premiered on Alternative Press.

[25] On February 16, 2018, DeLeon officially announced his debut extended play (EP), titled 206: Act I, with a scheduled release date for March 30, 2018.