Mexico's Carlos Vela, Jonathan Dos Santos and Marco Fabian continue to take Major League Soccer by storm. After Efrain Alvarez dazzled for LA Galaxy in his MLS debut, Herculez Gomez discusses the 16 year old's impact and ponders his international future. Even with his extensive managerial resume, ESPN FC's Alejandro Moreno is unsure Tata Martino will be able to satisfy Mexico's high expectations. SAN DIEGO -- Mexico head coach Gerardo "Tata" Martino is aware that he faces a dilemma over whether Raul Jimenez or Javier Hernandez should lead El Tri's forward line and admits they are unlikely to play together. West Ham United's "Chicharito" Hernandez is Mexico's all-time top scorer and is returning to the national team for the first time since last year's World Cup, but since then Wolves' Jimenez has enjoyed an impressive debut season in English football with 15 goals in 35 games so far. "I...