| Win | 5 | 22% |
| Losses | 0 | 0% |
| Win | 17 | 74% |
| Losses | 0 | 0% |
| Win | 1 | 4% |
| Losses | 4 | 100% |
Joel Álvarez González, known to fans as "El Fenómeno," is a Spanish mixed martial artist who has competed in the lightweight and welterweight divisions of the UFC. Born and raised in Gijón, Asturias, Álvarez began training in mixed martial arts as a teenager at a local gymnasium in his hometown before turning professional. He built the foundation of his career on the Spanish regional circuit, developing into one of the country's top prospects while training out of Bandog Fight Club in Gijón.
Álvarez holds a brown belt in Brazilian Jiu-Jitsu and won the Ansgar Fighting League lightweight championship prior to signing with the UFC, arriving with a résumé built almost entirely on finishes. Standing 6'3" with a 77-inch reach, unusually long for a fighter who spent years cutting to 155 pounds, Álvarez uses his frame to control distance and range before hunting for submissions once the fight reaches the mat. He is regarded as one of the more dangerous grapplers to pass through the UFC's lightweight ranks, capable of ending fights with triangles, guillotines, and armbars, while also possessing finishing power on the feet.
During his run at lightweight, Álvarez strung together a series of finishes that included a submission win over Joseph Duffy, a TKO stoppage of Thiago Moisés, a submission victory over Marc Diakiese, and knockout wins over Drakkar Klose and Elves Brener. After years of grueling cuts to 155 pounds, Álvarez moved up to welterweight, opening his run in the new division with a statement win over veteran striker Vicente Luque.
Known for his combination of size, reach, and relentless submission hunting, Álvarez has established himself as one of the more distinctive stylistic threats to emerge from Spain, carrying the flag for Spanish mixed martial arts on one of the sport's biggest stages.