Poyet 54, he looks like he could still play.
His greatest achievement as a manager was keeping Sunderland up in the Premier League in 2014. With 6 matches to go they needed to gain +7 pts on their relegation rivals, with matches against Man City, Chelsea and Man U. They stayed up with one game to spare.
https://www.youtube.com/watch?v=00KfPB20V_k
He was a top defender, who played in the PL. He knows the game. I think he will instill winner mentality and if results come then the team can grow.