Casillas was blamed by some supporters for not doing more to prevent Atletico Madrid 's opening goal in Saturday 's 2 - 1 La Liga defeat at the Bernabeu .
Casillas celebrated 15 years since his Real debut on Friday .
Casillas , who celebrated 15 years since his Real debut on Friday , was blamed by some supporters for not doing more to prevent Atletico Madrid 's opening goal in Saturday 's 2 - 1 La Liga defeat at the Bernabeu .