The 21 year old joined the Millers back in January on a deal until the end of the season.
The winger has now made the deal a full one, for an undisclosed fee.
Bray signed a contract until the end of the 2018/19 season
Bray makes permanant move
The 21 year old joined the Millers back in January on a deal until the end of the season.
The winger has now made the deal a full one, for an undisclosed fee.
Bray signed a contract until the end of the 2018/19 season