The teenager, on as a second-half sub against Bristol City, headed home from six-yards out after Rory Prendergast's corner had been flicked on deep in stoppage time.
Itl cancelled out Dave Cotterill's close range shot which had put the Robins ahead five minutes earlier.
Blackpool boss Colin Hendry said: "I told Matthew when he went on
to write a headline for himself and he did just that.
"I also told him if he scored he would have a much better chance of being in
the team for Tuesday's Carling Cup tie at Leicester City.
"Now I'll have to think hard about keeping my word."