Easy to forget Alonso's side were booed off at half-time

[Getty Images]Xabi Alonso watched his Chelsea team hit six second-half goals against Leeds United, but felt the need to "take responsibility" for the shaky start that came before the thrilling flurry.Amid jubilation that followed the final whistle at Stamford Bridge, where Chelsea recovered from 2-0 down to progress as 6-3 winners in the Carabao Cup, it was easy to forget that Alonso's side were booed off at half-time.Supporters witnessed arguably the worst first half of Alonso's short tenure to