BARCELONA — Lionel Messi became the first player to score in 11 consecutive La Liga matches Sunday when he hit four as leader Barcelona eased past a 10-man Osasuna with a 5-1 victory. Pedro Rodriguez got the other and Raoul Loe got a consolation for Osasuna, who played for more than an hour with 10 men after Alejandro Arribas was harshly sent-off after two handball incidents. Messi is on pace to break his own Spanish league record of 50 goals from last season. The forward leads the league with 33 goals in 21 rounds, chased by Cristiano Ronaldo on 21. Barcelona maintained the 15-point difference with Madrid, and restored its 11-point gap over Atletico Madrid after it lost 3-0 at Athletic Bilbao. Madrid host Barcelona in the first leg of their Copa del Rey semifinal Wednesday. “It will be a tough game,” said Ronaldo, whose first goal of the day was the 300th in his professional club career. “Barcelona is a fantastic team. We will be missing several important players (Iker Casillas, Pepe, Angel Di Maria), but that is not an excuse. It will be a great night.” Also Sunday, Malaga hung on to win 3-2 at Mallorca to reclaim fourth place from Real Betis, which lost 3-0 at Rayo Vallecano. Betis fell to fifth place while Rayo climbed into sixth. With the “clasico” looming, there had been speculation that perhaps Messi would sit out Sunday's game at Camp Nou. Instead, Messi stormed to his fourth career four-goal game, with only the woodwork keeping him from matching his five-goal feat from a Champions League match last season. Messi's first came in the 11th, when Xavi Hernandez intercepted goalkeeper Andres Fernandez's pass and found the Argentine forward, who brought the keeper to the ground with the subtlest of feints before rolling the ball home. Midfielder Raoul Loe surprisingly leveled for Osasuna in the 24th, but the visitors' celebration was short lived. Defender Alejandro Arribas received his second booking for blocking Adriano's strike with his arm, leaving his team with 10 men and Messi walking up to the penalty spot. Messi slotted the ball just inside the post to restore Barcelona's lead for good in the 27th. The penalty was Messi's 200th career Spanish league goal, making him the eighth player to reach that mark and the youngest ever by four years at 25 years old. After Messi had hit the post with a header, Pedro Rodriguez finished off a pass from Dani Alves to make it 3-1 in the 40th from another move started by Xavi. David Villa then participated in Messi's goals in the 56th and 58th, first working a one-two combination with the four-time world player of the year for him to score from an angle. Villa then made a back pass that Adriano sent on to Messi, who tapped in his fourth goal. — Agencies