As a freshman he averaged 15.4 points, 7.2 rebounds and 2.1 blocks per game, earning third-team All-Arizona Community College Athletic Conference (ACCAC) honors.

[3] He earned second-team All-ACCAC honors as a sophomore,[2] even recording 52 points and 11 rebounds in a game against Arizona Western College.

[2] He subsequently joined the Sioux Falls Skyforce of the Continental Basketball Association (CBA), where he averaged 8.2 points, 4.9 rebounds and 1.7 blocks per game.

He made his NBA debut against the Dallas Mavericks on March 2 at Reunion Arena, playing four minutes and scoring on his only attempt in a 109–108 win.

His first career start saw him play a career-high 24 minutes with six points, four rebounds, one assist and one steal in a 109–96 home win over the Houston Rockets.

Hoping to keep on bringing Hispanic fans to their home games, the Suns acquired Puerto Rico's Daniel Santiago soon after Llamas was released.

[14][12] Llamas subsequently joined the Pioneros de Quintana Roo, where he won a FIBA Americas League title in 2012 under coach Josep Clarós.

[18] Llamas was the starting center for the Mexico national basketball team, and he participated in international events such as the 1993 Central American and Caribbean Games, held in Ponce, Puerto Rico.

[15] Llamas retired in 2013 as a member of the Pioneros de Quintana Roo, staying with the team as an assistant coach.