Preston midfielder Ben Pringle, who used to play for the Millers, and Celtic counterpart Kundai Benyu have both joined the League One club on loan for the remainder of the season and will hope to feature for the first time.
However, there have been departures too with midfielder Paul Green having left on loan to League Two Crewe and striker Darius Osei having had his contract cancelled.
Wellens will watch from the stands as he serves a one-match touchline ban handed out by the Football Association as a result of comments made to match officials after the 1-0 defeat at Shrewsbury on January 1.
Rotherham could hand new signing Michael Smith a debut.
Smith joined the Millers from Bury for an undisclosed fee on Thursday and might make a first start.
But Lee Frecklington will not feature after the skipper’s five-year stay at the club came to an end when he joined Lincoln.
Darren Potter (Achilles) is out until at least next month but Jon Taylor could play after a two-month absence due to a knee injury.
Rangers manager Steven Gerrard is weighing up a move for Liverpool full-back Jon Flanagan, reports claim.
Scottish champions Celtic are reportedly ready to offer full-back Calvin Miller a new deal before sending him out on loan.
Everton target Jack Wilshere has sparked a scramble for his signature after confirming he is leaving Arsenal this summer.
Tottenham's hopes of landing Wilfried Zaha have been hit by the news Crystal Palace have offered him a bumper new deal to stay.
Ryan Giggs says Gareth Bale would be the perfect fit for Manchester United but has doubts over whether he will leave Real Madrid.
Manchester City's attempts to sign Riyad Mahrez could be in doubt again as reports claim Leicester only want a straight cash deal.