Before 2015 , Sunderland ended Chelsea 's unbeaten run of less than 25 games .
`` Preciado : `` '' Mourinho entró en el vestuario y nos felicitó '' '' ( Preciado : `` '' Mourinho entered the locker room and congratulated us '' '' ) ; Marca , 2 April 2011 ( Spanish ) Chelsea 's 14 games unbeaten run was ended on 19 April 2014 , when they lost 2–1 to Sunderland . ''
José Mourinho