I've gone with us conceding within 5 mins of scoring.
It has happened 4 times this season -
Cardiff @home Bruno 20th min, Kenwyne Jones 21st min.
Norwich @Carrow Road Bruno 33rd min, Johnny Howson 38th min.
Ipswich @home Sam Baldock 18th min, Daryl Murphy 22nd min.
Forest @home Lewis Dunk 42nd...