Sunderland U21 coach Kevin Ball believes new manager Gus Poyet will look to bring through the club's best young players.
Ball admits that the relationship between the seniors and other squads was not as he would have liked under former manager Paolo di Canio.
"Paolo Di Canio had nothing against the Under-21s - I think he just wanted to concentrate on the first team, and that was his prerogative as manager," he told the Sunderland Echo.
"Mine would always be, if I was in charge as manager, I would want a certain integration.
"My view is that the 18s needs to dovetail with the 21s and the 21s need to dovetail with the first team and if it means that they mix in at the right time then so be it.
"Obviously you reserve the right to train separately.
"But I find it's good to have the 18s training with the 21s at times because the 18s might think it's easy and most quickly find that it's not - that it's a lot quicker.
"And then the 21s might train with the first team and find exactly the same themselves."
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