Maybe we don't have a lot of interception because no team is really set up to exploit this. This of course gave me the excuse to buy a shadowforge elf team (very good models) and play them as woodelves. The elf team is exceptional and the best model on the team are the catchers IMHO so I decided the strategy would be surrounding them instead of the War Dancers.
Instead of 10, 1, 2, 8 setup I started as follows...1 Thrower, 2 Catcher, 8 Line Elfs, 2 re-rolls, and 7 FF. The reasonong for this set up was simple. With only 2 re-rolls I wanted skills to allow me to re-rolls ones and I wanted my catchers to have a head start on the WD.
Skill paths for my players are as follows...
Catchers - block, side step, pass block (Hopefully one with one turn score)
War Dancers - side step, shadow, pass block
1st Thrower - Sure Hands, Accurate, Block
2nd Thrower - Accurate, Safe Throw, Block
2 Line elf - block, side step
1 Line elf - block, kick, diving tackle
1 Line elf - block, leader, diving tackle
3 Line elf - blodge
Treeman - multi-block, block
I use a 4-3-4 line up on defence so each Lineman has skills tailored to a specific position in this line. The plan is to kick deep and make the thrower run way back to get the ball. Now he has a choice. Make a long pass which most players will not do or keep it for next turn. If they keep it I will swarm him with 3 to 4 pass blockers. If not hopefully he will drop the ball.
Well, that was the plan anyway.

To date I have a TR of 190 after 10 games lossing 2 players along the way and a third I am keeping till she dies that has 6 armor (She got 2 MVP's and only needs a few TD's for the next advance, I knew I should have retired her). I just got a rookie treeman probably should not have because he offers little but I am thinking if he shows up I get that 10 armor on the line so what the heck.
I have only intercepted the ball once. I don't think I was wrong on skill choice but perhaps the order. Pass Block on 3rd advance is too long, maybe it should be the first. The original thought was to get the Pass Block on third advance so that my strategy would not need to be revealed right away but there is a 15 game cap and I am 5 games from that.
I have to make adjustments for the enviroment too. 20% of the teams in the league are dwarf so I am thinking blodger are useless. Maybe instead of blodgers I give them sidestep instead. This way when they get knocked down I can pick the square and perhaps stall the advance by making them dodge to go further which, in the dwarf playbook means halt!
Anyone else try to build a team around intercepting the ball and if so how did you do it?