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It took Cristiano Ronaldo until April 2011 to score against Barcelona after signing for Real in the summer of 2009.
Radamel Falcao was isolated in Atletico's Bernabeu washout by a forced tactical switch; Filipe Luis was injured during training that morning, forcing Simeone to abandon his usual formation.
In Camp Nou Sunday, Falcao scored a wonderful opener, to add to the goal he bagged in the 1-2 loss at the Calderon last February.
Add to the goals he has scored in the Europa League final and the European Supercup this year, and it is clear Falcao is not a player to react to the opposition's fans' whip and chair.
If, and it is a big if, Atletico can hold him until the end of the season, Champions League qualification is a formality. If not, anything could happen to the combustible Rojiblancos, whose coach is also attracting covetous eyes from West London.
Glory is always over the next horizon for Atletico, but it is the only team in La Liga that would knowingly trip over the same rock twice while trying to get there (a Spanish saying, roughly translated).
Falcao is destined for greatness. Atletico is skint and is not. Do the math (an American saying, apparently).