Athletic Bilbao B
Bilbao Athletic, officially named Athletic Club "B", is the reserve team of Athletic Bilbao, a football club based in Bilbao, in the autonomous community of Basque Country. The team will play in the Segunda División B in the 2018–19 season. Founded in 1964, the team holds home matches at the small stadium attached to the club's training facility at Lezama, or occasionally at San Mamés Stadium, with its 53,500-seat capacity, for important fixtures.
Álvaro Martínez Beltrán
Born in Vitoria-Gasteiz, Álava, Álvaro began his career with local CD Aurrerá de Vitoria, promoting to the fourth division in his first season as a senior. In the summer of 1993 he signed with Basque giants Athletic Bilbao, playing his only two years at the professional level with the reserve side in division two, being second-choice.