Despite reaching 35 years old, Lionel Me si is still Dan Hampton Jersey considered one of the greatest players in the world, if not greatest player acro s the globe.No matter his current form, Me si is also considered one of the best players to ever play the game. Needle s to say, he is one of the most important players to Argentina at the FIFA World Cup.Lionel Scaloni's side will need Me si healthy and in form if they are to win their first World Cup since 1986.With that said, an entire country held its breath when Me si was seen stretching out his left hamstring in the early stages of the semifinal match against Croatia.MORE: Me si was seen grabbing at his left hamstring around the 20th minute of the World Cup semifinal against Croatia.He was walking around gingerly, repeatedly grabbing the back of his Khalil Mack Jersey leg, which put Argentine hearts in their mouths.Is Lionel Me si struggling with his hamstring? BBC Sport (@BBCSport) | As se tocaba a menos de 30 minutos del encuentro ante Tendr algo el capitn de ? Jonathan Bullard Jersey D Sports Radio (@DSportsRadio) It's hard to tell whether Me si was actually struggling, because he is not known for making repeated runs up and down the pitch.Me si often walks for much of matches, aiming to conserve his energy for the moments he's needed most. That made it difficult to tell whether the discomfort he appeared to be feeling might affect his play.However, that Argentina coach Lionel Scaloni asked Me si whether he was ok, and Me William Perry Jersey si appeared to gesture back to him that he was good. Me si seemed to be just fine as he put Argentina in front 1-0 from the penalty spot in the 34th minute of the match.Julian Alvarez was fouled by Croatia goalkeeper Dominik Livakovic, affording Argentina a chance from the spot, and Me si stepped up to take it."The Flea" looked healthy Sherrick McManis Jersey enough as he smashed the spot-kick into the top-right corner with power and precision.That seemed to put any questions of his health to bed for the moment, although there is still the question of whether he will be able to reach into the later stages of the match, and whether he'll be healthy for the World Cup final should Argentina advance to the finale on December 18th.