DENVER—Christian Pulisic lifted a trophy for the second time in eight days, this time his first for the United States. Ethan Horvath, back in Colorado for the first time in three or four years, expected to watch the game from the bench and found himself saving Andrés Guardado’s penalty kick—in the 124th minute! The first CONCACAF Nations League final turned on an injury and not one or two but three video reviews. “This is the perfect way to end the year,” Pulisic said after his penalty kick in the 114th minute led the United States over Mexico 3-2 Sunday night in frantic finale of the first CONCACAF Nations League. Or as U.S. coach Gregg Berhalter put it: “One of the classic, odd U.S.-Mexico games.” A testy match that was stopped for about three minutes in second-half stoppage time because of discriminatory fan chants at Empower Field also was marred by …