Thomas Tuchel became an instant hit at Chelsea last season after leading the Blues to their second UEFA Champions League crown just a few months after his appointment. The team appears to be going in the right direction once again this season as they stand a chance of ending the campaign with silverware.However, there are doubts over Tuchel's continuity at Stamford Bridge amid the sanctions placed on club owner Roman Abramovich by the UK government following Russia's Ukraine invasion. A couple of clubs, including Manchester United and Paris Saint-Germain (PSG), are looking (per Guardian) to take advantage of Chelsea's situation to snap up Thomas Tuchel.Eurosport@eurosportThomas Tuchel urged positivity and focus amidst the uncertainty surrounding Chelsea's future00:00 AM · Mar 20, 202252Thomas Tuchel urged positivity and focus amidst the uncertainty surrounding Chelsea's futureShould the German end up bidding farewell to Stamford Bridge anytime soon, the Blues will be forced to appoint a new tactician as quickly as possible. On that note, here's a look at five such options:#5 Graham PotterAnother decent option to replace Thomas Tuchel at ChelseaGraham Potter is gradually building a decent reputation for himself in the Premier League, thanks to his incredible tactical knowledge and brilliant approach to the game. His Brighton & Hove Albion side have been one of the tactically adept teams in the English top flight so far this season.Man United News@ManUtdMENPetr Cech casts uncertainty over Thomas Tuchel's Chelsea future amid Manchester United links #mufc manchestereveningnews.co.uk/sport/football…8:30 PM · Mar 13, 2022594Petr Cech casts uncertainty over Thomas Tuchel's Chelsea future amid Manchester United links #mufc manchestereveningnews.co.uk/sport/football…It goes without saying that the 46-year-old has the potential to become one of the best tacticians in the Premier League. As things stand, Potter's team ranks 13th in the table and could move to the top half of the standings.#4 Ernesto ValverdeOne of the finest Spanish managers at the momentErnesto Valverde has managed many clubs across Spain and Greece, experiencing decent success with all of them. Some of the teams he has managed include Barcelona, Villarreal, Olympiacos, Athletic Bilbao, Valencia and Espanyol.His brighest spell came at the Camp Nou, where he led the Blaugrana to four honours, including two La Liga titles, one Spanish Cup and one Spanish Super Cup. He left the club in January 2020, with an average of 2.23 points secured per game in 145 matches.Valverde has been away from management since parting ways with the Blaugranam but gw has recently hinted at a return to the dugout. The Spaniard is certainly one of the finest options Chelsea could appoint as replacement for Thomas Tuchel.