Add the points to Hulk, theres no system to troll the game and have faster speed training or better Cup level, without assign the training points.
If, I don't assign my points, is because I want to tank the season and stay in same level 2 or 3...4 seasons, so I try to have less Quality, but, for no more.
In your case the only system to recovery the old Speed training, is to waste 50 Training points in one Special Ability or New position, but if u need play important matches, the better you can do is add the points in skills^^