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.
Athletic Bilbao
The club is one of three founding members of the "Primera División" that have never been relegated from the top division since its inception in 1929, the others being Real Madrid and Barcelona. Athletic have won "La Liga" on eight occasions, fourth most in the history of the league. In the table of "Copa del Rey" titles, Athletic is second only to Barcelona, having won it 24 times (per the team's official records; the Royal Spanish Football Federation (RFEF) recognizes 23 victories). The club also has one of the most successful women's teams in Spain, which has won five championships in the "Primera División Femenina".