John Marquis stooped to prod home a 94th - minute equaliser to cancel out David Fox 's stunning volley 15 minutes from time .
John Marquis is an 18 - year - old making his first professional start for the club .
John Marquis , an 18 - year - old making his first professional start for the club , stooped to prod home a 94th - minute equaliser to cancel out David Fox 's stunning volley 15 minutes from time .