He is satisfied with his squad and is particularly pleased to be reunited with Hutton, having managed the right-back at Rangers and with Scotland.
"I feel we have done a good bit of business. We did lose two experienced players you don't want to lose sometimes but I feel the two new lads will help to enhance the squad," said McLeish.
"Luke Young was a terrific player and Jean Makoun will feel he didn't quite get the time to cement himself in the colours but I feel the two that have come in will add a real vibrance to the squad."
"Alan Hutton I had at Rangers as a kid. I always felt in the first year or so when he was adjusting at Rangers that he played within himself a little bit and then all of a sudden he showed his athleticism up and down the flanks.
"He had a fantastic season and for me to see Alan Hutton careering down the flank is a great sight.