BARCELONA, April 23 -- Barcelona moved a step closer to winning La Liga with a tight 1-0 victory over Celta Vigo on Wednesday but lost their goalscorer Lamine Yamal to an apparent hamstring injury.

The teenage Spain star won and converted a penalty to clinch a narrow triumph but hurt himself as he took it and was replaced before half-time.

Joao Cancelo also went off injured for a Barca team who moved nine points clear of Real Madrid at the top of the table with six matches remaining, including a Clasico on May 10.

"We have to win every game and seal La Liga as soon as possible, it was important to win today," Pedri told Movistar.

"I hope (Lamine's injury) is for as few weeks as possible. Tomorrow he'll be tested and we'll see what it ...