For much of the season Sampaoli's side were in the title race but their season collapsed in March, with Leicester City eliminating them from the Champions League and their Liga form suffering too.
According to our predictions based on the stats and recent performance of both the teams, Barcelona FC will win today's La Liga game against Sevilla at Camp Nou.
He returned home to help the national team beat Chile in a 1-0 victory, but sat out the following 2-0 loss to Bolivia due to a four-game suspension, according to USA Today.
Messi bagged a brace after Luis Suarez's overhead kick had given the hosts a 25th-minute lead.
There was no such escape for Sevilla's players as they were torn apart by a Barcelona side so formidable that they looked capable of beating anybody.
Samuel Umtiti started at left-back for an otherwise-full strength Barca against Sevilla, who started the game without a recognised striker.
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A graduate of the club's famed La Masia academy, the Spain worldwide has won 28 trophies with Barca including eight La Liga titles and four UEFA Champions Leagues. "It's the great thing about football, you never know what's going to happen".
What can you say about the man? The skill levels are obviously exceptional, but he is only special because there is an end product.
25' GOAL What a fantastic finish from Suarez! The Spaniard was not to stop just then, as he went on to score another goal from outside the box next giving his side a three-goal cushion.
Barcelona served a warning of what was to come in the fourth minute when Andres Iniesta and Luis Suarez combined on the edge of the area before Messi's first-time effort hit the underside of the crossbar and bounced to safety.
The goal of the campaign is to eventually raise enough money - roughly $30 million - to build a state-of-the-art medical center at Barcelona's Sant Joan de Deu hospital.
Sevilla wasted another golden chance in the 24th minute when a Samir Nasri free kick was headed over by an unmarked Vitolo. The trio didn't seem to be at the peak of their powers for most of this season, at least not as a unit, with Lionel Messi outshining the other two on most occasions, despite Neymar impressing with glimpses of his genius and Suarez with his prolific goalscoring. He was already on a yellow card and the referee has no choice but to flash him a second one.