GettyJon ArnoldAmerica looking to repeat and more: 18 things to watch in the Liga MX ClausuraLiga MXCruz AzulMonterreyClub Universidad NacionalLeonSantos LagunaPueblaTolucaCD GuadalajaraAtletico MoreliaAtlasQueretaro FCTigresPachucaTijuanaWith the Clausura beginning Friday, Goal provides one thing to watch for each day of the brief offseason since America lifted the Apertura trophy