QPR goalkeeper Robert Green is desperate not to experience relegation again.
Green suffered the devastating blow with the Hammers two years ago as they finished rock-bottom of the table after a nightmare run of seven defeats in their final eight games.
He told the Fulham Chronicle: “It was frustrating, sad, but the writing was on the wall.
"As players you could go out and try to play, but you need guidance and someone to lead you. It was physically and emotionally draining.
“It was a tough time. It was left to four or five senior players to try and pull the team through, like myself, Scotty Parker and Matt Upson.
“In the end it wasn't enough to keep us up, but the situation was, in my opinion, avoidable.
“He knows what he wants from you and is not afraid to make decisions.
"Harry has that effect on players that other people don't. He brings out the best in players, instills confidence and belief.”