The Galicians held the Catalans to a 2-2 draw in early December before the 1-1 stalemate in the first leg of this tie.
Levante pressed and pressed in the second half but couldn't break through and Espanyol make the last eight.
"As he adapts to our game, to the Liga, to European football. he requires a process of adaptation and we hope he can help us during the season". Ernesto Valverde's men are already 16 points clear of arch rivals Real Madrid in the La Liga standings, which is enough to suggest they should ease off to the league trophy, while they have also been doing well in the Champions League, where they will battle out-of-sorts Chelsea for a place in the quarter-finals.
Barcelona are Spain's in-form team as they prepare for Thursday's Copa del rey second leg against Celta de Vigo, which they will host at Camp Nou. The Brazilian has finally arrived at Camp Nou following several unsuccessful attempts and this deal should serve as a major lift ahead of the business end of the season.
Samuel Umtiti took part in Barcelona's training session on Tuesday as the centre-back continues his recovery from a hamstring injury. Jordi Alba and Thomas Vermaelen are available after shaking off minor knocks.
Where can I watch Celta vs Barcelona in the Copa del Rey? Unzue made six changes to the team that drew 2-2 against Real Madrid in the weekend.
Barcelona welcomed Coutinho to Camp Nou through a video on social media where they revealed his Barcelona shirt in the locker room setup.
Alba set up both of Messi's goals in two first-half minutes before the Argentine returned the favour, creating the third goal for the left-back with a wonderful through ball.
"Samuel Umtiti, Paco Alcácer and new signing Philippe Coutinho are all forced absentees, while the FCB coach has also chose to leave out Denis Suárez, Arda Turan, Rafinha, Deulofeu and Aleix Vidal".