Adrián's error a reminder of the Champions League's fine margins, and why champions need a world-class keeper

It was a tale of the two keepers: Jan Oblak excelling; Football is rough, man. It took Heisenberg purity levels of Simeone-ing to flip the script on Wednesday night. And more than a touch of luck. 2-0 up. Anfield bouncing. Liverpool had finally broken through Diego Simeone's impenetrable wall to burst their way into the next round of the Champions League. Or so we thought. An Adrian error and he-should-have-done-better-with-that-shot later and it was 2-2, Atléti adding a third in added time to win the second-leg outright. Liverpool dumped from the competition and on their way to a plodding conclusion to the season -- if there's a season left at all. Gutwrenching. It was a cruel reminder of what makes the Champions League so great and so difficult to win. A nick here, an error there and you're bounced quicker than Michael Owen from a loyalty conference. That Llorente was the guy to essentially end this magical season is utter madness. Llorente had six se...