I think you can exchange on match day, they're just encouraging everyone to do so prior to that to reduce queues and issues on the day.

Two ridiculous sin binnings nearly cost us the game. Well done to them for having the composure to recover from that. We seem completely incapable as a sport of introducing new rules properly, anyone can see the differencee between a late deliberate hit, and one that connects moments after the ball has been passed. In the wigan game later late shots were penalised but not sin binned, so no consistency there at all, and even if there was consistency it would still be ridiculous. Every time we introduce a new rule it is a farce, and this is one of the worst. It reminds me of the 'you fall in a bad way and can't clear the ball so it's a penatly debacle we had a few seasons ago'. Other sports dont have this garbage

You just know when it’s child in the middle it’s going to be the child show though.
Penalise them by all means but yellow card is ridiculous. And as you say no consistency.
Levi must wonder what on Earth game he’s playing here in the UK!
When Cas scored 4 to go in front I honestly thought we’d crumble and in previous years we would have. Kudos for the lads for regrouping and going back to playing the way they had in the first 40 minutes and showing their dominance once more.
We were the better side by more than 12 points but two points in the bag and second in the table!
Again tough to pick a MOM but I thought oil Russell was very good. Just about to sit down and watch the game again.

Fair play to O'Brian and Westerman in coming out in support of Danny Levi and Jerry in respect of their yellow cards, dont see that too much in todays sport. I dont think he was MOM but for me Innes Senior is getting better every week, Cas threw everything down his side this week and he handled it all very well and made good yardage out of defense.

Well, that could really be described as 'a game of two halves' if ever there was one !

A game of a halve and two quarters.