"Even though my contract was up, I always felt a part of things since we got back at the beginning of July," Gray told the club's website.
"Mick [McCarthy] is a man of his word and I always knew I was going to sign. It was making sure things were right for myself."
Gray, who has three England caps, joined Wolves 12 months and counts Sunderland and Blackburn as his former clubs, while has has also spent time on loan at Celtic and Leeds.



