He needs a 'history lesson' He's talking about the Grimsby who have just beaten Southampton away. The Southampton that knocked out Palace in the third round....at Selhurst!
My sisters were organising a get together (few days away every couple of years) - and chose April 22 w/e. I sort of jokingly said 'had a quick look - it's FA Cup semi-final weekend - I might be busy, ha,ha'. Glad they took it more seriously than I meant it now!