Chelsea midfielder Cesc Fabregas has reacted to the Blues 6-0 win over helpless Qarabag in their Champions League opener at the Stamford Bridge on Tuesday night.The Blues made their return in an emphatic win over Azerbaijani Champions, Pedro broke the dead lock in the 5th minute followed by Chelsea new signings Davide Zappacosta in the 35th minute to give a first half lead and in the second half Tiemoue Bakayoko scored for the Blues in their Champions Leagues debut for Chelsea.Cesar Azpilicueta was also on the score sheet while Belgian Michy Bashuayi who was given a rare start grabbed a brace for Chelsea.Antonio Conte admitted in his press conference yesterday he would have to rotate the squad with five games still to play this month.RELATED: All you need to know about Azabajani Champions QarabagAnd the Blues manager opted to rest several first-team players for the visit of the Azerbaijan champions, including Eden Hazard and Alvaro Morata.After losing to Burnley on the opening day of the season Chelsea has gone on to win four straight games.And Fabregas believes they are starting to return to their best form under Conte."It's a good performance, a good result," Fabregas said."You never know if goals [difference] will count at the end of the group stage."I think it's a good performance from everyone. We are getting back to our best."We rotated five players. We have nine games in 21 days. It's a difficult period. "We weren't used to this last year as we weren't in the Champions League."Chelsea will play against Arsenal in the Premier League at the Stamford Bridge on Sunday.