Jack Robinson will not simply be making up the numbers at Sheffield United, insists Blades boss Chris Wilder.
has joined the Premier League club from in a deal .
The defender has signed a two-and-a-half-year contract at Bramall Lane.
The 26-year-old made 19 appearances for Forest this season but found himself pushed down the pecking order, behind Yuri Ribeiro and Chema at left-back.
"Jack's got a great pedigree and he will make our squad stronger," said Wilder.
"But he isn't just coming in to make the numbers up, it's a specific position in our system and we feel he is the best option for us at this time.
"Jack can comfortably play in a couple of roles and we're delighted to add him to the group.
"He's got a fantastic attitude and he's ambitious to earn a place in the team."