
Barnsley will be the first opposition to play at the New York Stadium in Rotherham's opening pre-season friendly at their new home.
Barnsley director Don Rowing has pledged to back Keith Hill in his summer recruitment drive following the departure of six players.
Barnsley have completed the permanent signing of defender Lee Collins from Port Vale.
Barnsley have handed four more second-year academy players professional contracts.
Danny Rose and John Stones are looking to establish themselves in Keith Hill's first-team plans after making their breakthroughs this season.