Barnsley have made two changes to the side that lost 2-0 at Wigan Athletic last weekend, while Millwall have brought three new faces into their starting XI.
Ryan McLaughlin and Martin Woods have made way for the hosts, with Jack Hunt returning to the side. Jacob Mellis is also handed a starting berth after returning from a three-game suspension.
Shane Lowry, DJ Campbell and Scott McDonald all start for Millwall, while Alan Dunne and Jermaine Easter drop to the bench. Lee Martin is not involved in the matchday squad.
Barnsley: Steele, Ramage, Kennedy, Cranie, O'Brien, Mellis, Hunt, Frimpong, Jennings, O'Grady, Proschwitz
Millwall: Forde; Fredericks, Shittu, Lowry, Malone; Upson, Williams; Campbell, Woolford, McDonald; Morison