A collision with Harrogate Town 's Clayton Donaldson had seen the forward 's knee smash into Pfannenstiel 's chest .
A collision with Harrogate Town 's Clayton Donaldson left the goalkeeper unable to breathe .
A collision with Harrogate Town 's Clayton Donaldson had seen the forward 's knee smash into Pfannenstiel 's chest , and left the goalkeeper unable to breathe .