Well, it's not like they haven't put money into him too... If you've knocked off 3 sims with 3 or 4 CVs (D-III), then they've obviously put in just as much money to turn him yellow. It's not like they sent one AC scout and suddenly turned him Yellow if you had a ton invested. Plus, maybe they've been slowly chipping away at him after the scouting reports came in... this way, they're not overspending to turn him yellow (no sense in sending out 4 CV's if one will do the trick... chip away until he's yellow and you know where you stand)... You're not likely to continure spending money unnecessarily once the recruit is green, so chipping away is very effective. So, all in all, you're probably both equally invested in the recruit at this point. Probably not going to take a lot to turn him Green again. Count how many schollies they have. If you have more, plus playoff money, you'll probably get everyone back to Green without too much spent. Only becomes a big problem if you overspent to get him green in the first place.
And this is not a flaw in 3.0... If this hasn't happened to you in 2.0, consider yourself in the extreme vast minority.