Tuanzebe has a new chant at Villa, and Fosu-Mensah in action at a Premier League club.
The 21-year-old midfielder is back in the Scottish Premiership.
Cameron Borthwick-Jackson, Regan Poole, Devonte Redmond and Matty Willock were all unused.
Man United's 20-year-old midfielder Devonte Redmond has signed for Scunthorpe United on a six-month loan deal, lasting until January 2018.
Welsh centre-back Regan Poole has joined League One side Northampton Town on loan for the 2017/18 season, where he'll be reunited with former-manager Justin Edinburgh.