His celebration raised eyebrows as he ran and dived full-length in frontof Everton manager David Moyes in response to his remarks about him earlier in the week.
He was fatally injured when the sign, which was about 9m (30ft) long and had covered the lengthof the shop front, fell on to the pavement at about 17: 00 GMT.
At that precise moment, Ten Doeschate launched a Sidebottom full toss into the off-side, and Morgan, diving at full length in frontof the Dutch fans, dropped a tough chance and parried the ball over the ropes for four.