Toure's contract at Manchester City expires at the end of the season.
Jordan Henderson and Daniel Sturridge remain sidelined, but Dejan Lovren is now fit again.
Dembele, 20, has scored 17 goals in 26 league appearances for Celtic this season.
City's defeat on away goals leaves Leicester City as only English representatives in quarter finals.
City unceremoniously dumped out by the Principality outfit.
Monaco have a tough but not impossible task as they will look to knock out Manchester City.
Key defender came through 75 minutes of Monday night's U23 victory over Chelsea unscathed.
Coutinho has scored only one goal for Liverpool in 2017 so far.
The strongest FA Cup semi-finals in recent memory loom large.
Mundo Deportivo suggests that Manchester City could turn their attention to the Bayern Munich star.
Toure was brought in from the cold by Guardiola earlier this season.
Liverpool are five points ahead of Arsenal in fourth place on the Premier League table.
Aubameyang's hat-trick helped Dortmund to qualify for Champions League quarter-final after beating Benfica.
The Croatian signed a new four-year deal with the club on Friday.
Middlesbrough host Manchester City in the FA Cup clash on Saturday.
Guardiola swiftly ushered Hart out of Manchester.
Messi's current deal at Barcelona will expire in the summer of 2018.
Rakitic's buyout clause is likely to fend off interest from Manchester United and Manchester City.
Hart, 29, is on a season-long loan at Italian club Torino.
Carragher presided over City's drab draw with Stoke City.
Gunners boss wants to keep England international who is reportedly restless amid current plight.
Guardiola is keen to add more young English talent to his squad.