Barnsley are appealing to fans to help find a FA Cup winner's medal won by Philip Wright Bratley 106 years ago and subsequently stolen.
Millwall manager Neil Harris was delighted with his side as they comfortably won 2-0 at Barnsley.
Millwall's unbeaten run of games stretched to eight in the Sky Bet Championship as they comfortably defeated Barnsley 2-0 at Oakwell.
Barnsley midfielder Joe Williams is an injury doubt for the home game against Millwall.
Barnsley boss Jose Morais was satisfied with his team's performance after they drew 1-1 at home against Norwich City.
Oli McBurnie and Barry Douglas are set to be named in Alex McLeish's first Scotland squad in more than a decade.
Middlesbrough boss Tony Pulis will make a late check on in-form striker Patrick Bamford ahead of Saturday's Sky Bet Championship clash with Barnsley.