Barcelona midfielder Xavi will have a significant contribution to make during the final months of the season as the Catalans attempt to repeat 2009's historic treble victory, according to manager Luis Enrique. The 35-year-old Barcelona star recently travelled to Qatar to discuss a possible switch to Al Sadd ahead of next season and has managed just five starts in 21 games during 2015. However, after Xavi assisted Jeremy Mathieu's winning goal against Celta Vigo on Sunday, Enrique believes the midfielder has a vital role to play. Barcelona manager Luis Enrique insists Xavi has a vital role to play in the club's hunt for the treble . Xavi congratulates Jeremy Mathieu after setting up the Frenchman's winner in the 1-0 over Celta Vigo . Midfielder Xavi has managed just five starts for Barcelona in 21 games since the turn of the year . Enrique talks at Tuesday's press conference ahead of Barcelona's La Liga clash with Almeria on Wednesday . 'Xavi is an important player for us in any month of the year,' said Enrique. 'He is the player that has played most games in a Barça shirt and will decide (his future). He knew it would be a special year for him and he has accepted it. He helps us both on and off the field.' With the treble still possible, the La Liga leaders face Alemria on Wednesday, play Athletic Bilbao in the final of the Copa del Rey  and take on Paris Saint-Germain in the quarter-finals of the Champions League.
Barcelona star Xavi has managed just five starts since the turn of the year .
The midfielder recently travelled to Qatar to discuss possible switch .
Luis Enrique believes Xavi has vital role to play towards end of season .