The temporary rule was first introduced in May 2020 in response to the COVID-19 pandemic.
Tuchel is seeking his first Champions League title, after losing out to Bayern Munich with Paris Saint Germain in last season’s final.
Guardiola is once again in the final and is looking to back up his claim to being the greatest coach football has ever seen.
City will receive the Premier League trophy after Sunday's match before a special farewell ceremony to honour Aguero.
Manchester City can win a third Premier League title in four years if they beat Chelsea on Saturday.
Man City moved 13 points clear at the top with a 2-0 win at Crystal Palace on Saturday.
Treble-chasing Manchester City face a Tottenham side desperate to end their trophy drought in the League Cup final.
Guardiola said he still has trust in Raheem Sterling but the England forward must rediscover his best form to play more regularly.
In-form Chelsea will fancy their chances at Wembley in a match that could serve as a dress rehearsal for the Champions League final.
Sancho, a product of City's academy, rejected a new contract at the Premier League club when he was 17 to join Dortmund in 2017.
City are top of the league with 68 points after 29 games and visit 18th-placed Fulham on Saturday.
Pochettino called for a "fair and just" solution for players facing quarantine upon their return from international duty.
Guardiola says Manchester United will be "difficult" opponents despite a huge gulf in form between the two sides ahead of Sunday's derby.
City remain on course for an unprecedented quadruple of trophies.
Guardiola expressed his happiness after his team’s 2-0 win against Borussia Monchengladbach in the first leg of the UEFA Champions League round of 16.
Guardiola's men hold a five-point lead at the top of the table with a game in hand over second-placed Manchester United.
Should City win on Sunday they would move 10 points clear of Liverpool having also played one game fewer.
De Bruyne, 29, looked to have sustained a leg muscle injury and was replaced on the hour mark at the Etihad Stadium.
Guardiola's delight at their 2-0 win over Aston Villa on Wednesday was tempered by injuries to playmaker Kevin De Bruyne and defender Kyle Walker.
The 20-year-old midfielder scored his eighth goal of the season as City beat Premier League strugglers Brighton 1-0.