The Scottish champions beat Hapoel Be'er Sheva on Wednesday in a thrilling game at Celtic Park.
Tony Xia has confirmed when their new director of football will start work.
Newcastle United picked up their first Championship points of the season with a 4-1 win over Reading at St. James' Park.
West Ham United's Andre Ayew has been ruled out with a long-term injury, and Sevilla's Yevhen Konoplyanka could be the ideal replacement.
Lionel Messi stars from midfield while Lucas Digne and Samuel Umtiti impress on their Camp Nou debuts. Oh, and Arda Turan netted twice.
Granit Xhaka is the only major arrival at the club so far.
Mane is a doubt for the trip to Turf Moor following a shoulder injury he picked up in training this week.
Massimo Cellino's time at Leeds has been mired by controversy.
The winger has impressed at the beginning of the Championship season.
The striker believes Villa keeper Pierluigi Gollini will come good.