Sabean has given all of the homegrown pitching staff opportunities to start plus other key relief roles while under 30, plus there have been a number of position prospects to get starting roles include Mueller, heck, Kent (he was not a full-time starter until with the Giants), Snow, Aurilia, Benard, Niekro, Ellison.
That would be a great quote except that all of them sans Nate are out of options. He CANT send them down even if he wanted to. His hand was forced and now he is trying to make it look like its a youth movement. Sabes hasn't given anybody under 30 playing time unless he is basically forced to.