So I made it to P3 with only 5 platinum guys, none of which are maxed/capped...
I saw some guys wondering if it was possible to get it done and the short answer is, yes it is. H
However, I don't want to fool you, it was not easy. Took me about 5 tries in the playoffs to finally win it, all the games of which I had to play out manually ... Because you simply will not win trying to autoplay it out.
Hope this helps and or inspires some of you to spend less and try to power through.
(Yes, vets, I know I will have to level those guys asap... Honestly hoping we start seeing Primes soon to potentially get rid of what I don't want and stash XP and everything else I have for the big guns and continue moving up.)
T. R. N. ~ Cleanupcrew