Substitutions can win or lose you matches.
Get them right and a manager can look a tactical genius. Get them wrong and everyone will question your judgement.
Lucas Joao grabbed the majority of the headlines after stepping up off the bench to claim a last minute winner at Brentford last weekend.
But for Wednesday chief Carlos Carvalhal, midfielder Alex Lopez’s introduction as a late sub also significantly influenced the outcome.
“In the period that he played, he [Lopez] kept the ball and gave energy to the team,” he said. “He always wanted the ball. He was fantastic, showed a very good attitude and drove the team on in the moments that we needed it.”
Despite a solid display at home to Fulham, Lopez, on a season long-loan deal from Celta Vigo, dropped to the bench against Newcastle.
Carvalhal said: “Alex is not a kid. He is an experienced player and a team worker. He is here to help the club and it is these kind of players that we need for the future of the club.”
Chris Evans, who worked as assistant to Gary Megson at Hillsborough, left his role as head of football operations at Derby County yesterday.