ROTHERHAM UNITED fell to another away defeat with a deserved loss at Ewood Park.
A goal in each half did the damage for Paul Warne's side as they returned from across the Pennines pointless.
Blackburn made a blistering start and Dominic Samuel struck the bar twice in the opening exchanges as the hosts looked to assert their authority.
Rotherham were struggling to make any inroads and it was no surprise when they eventually fell behind on 27 minutes.
Marcus Antonsson, on a season's loan from Leeds, connected with Charlie Mulgrew's corner and glanced a header past Marek Rodak.
It was one-way traffic for the remainder of the half with Rodak pulling off an impressive save to deny Antonsson a second.
It was more of the same following the restart but Samuel again couldn't get his angles right before Rotherham sub Joe Mattock stung the gloves of David Raya - the Millers' first effort on target with nearly an hour on the clock.
From that Warne's side grew in confidence and skipper Lee Frecklington drilled a shot that again had Raya squirming to keep at bay.
There was then short-lived joy for the Millers when Richard Wood nodded home only to see it disallowed.
And the hosts went on to make the Millers pay when another loanee, Harry Chapman, slotted home the second for Rovers.
Chapman, borrowed from Middlesbrough, took a short corner and burst into the box before burying his shot at the second attempt.
Blackburn Rovers: Raya, Caddis, Downing, Williams, Mulgrew, Bennett, Evans (Whittingham 74) Smallwood, Dack (Chapman 69), Samuel (Hart 79), Antonsson. Subs not used: Nyambe, Graham, Leutwiller, Ward.
Rotherham United: Rodak, Vaulks, Ihiekwe, Wood, Purrington (Mattock 20), R Williams, Potter, Frecklington, Newell (Yates 81), Forde (Towell 65), Moore. Subs not used: Clarke-Harris, Cummings, Ajayi, O'Donnell.
Referee: M Heywood (Cheshire)