We're in the same league, but not the same division so this is without bias
I played against slann recently and the lack of blodge was a killer for my opponent, so development wise: aiming to get some of these skills on your pieces is crucial as early as possible.
As an opponent the crazy leaping catchers were a pain but not as much as the two blitzers he had, that diving tackle combined with tackle was a brutal combo in shutting down my maneouvre. The blitzers will be harder to skill up than the catchers so I think you need at least two early on so they can start building up SPP. A slann team based around just catchers and linemen is a lot less scary.
I think you need to aim for the Krox as soon as possible too but you can't afford it and the bucket full of re-rolls you need at the start

Initially you need re-rolls for everything (leaping, dodging and even blocking) as there's no-one on the team that's reliable so I think you have to ditch the Apo for a 4th re-roll, you can buy the apo after the first game (probably) but it's very unlikely you can buy the other re-roll at that point!
So, I like your starting lineup, just swap the apo for a re-roll IMO...unless you get a blitzer killed in your first game of course, it's a silly idea then
