It's been a steep learning curve for Christian Fernandez since leaving La Liga for DC United in MLS.

But it's not the intense physical style of play that has taken some getting used to for the Spaniard, but the terrible state of refereeing in the North American league.

"It’s true that you have no idea what kind of referee you're going to get," Fernández told "They’re all very unpredictable. I’ve noticed that sometimes they’ll allow a challenge that could really even be a yellow card, and then they’ll turn around and make a call like the yellow they gave me on Saturday which wasn’t really anything, honestly."

"In Europe, you have a general idea what kind of ref you’re getting in each game. I think that in this league maybe there’s less of a solid line as far as consistency. They all seem to have a different set of criteria for how they call a game. It’s a little confusing sometimes.”

It's true that the standards of officiating in MLS isn't of the highest standard at the moment. If you think the level of consistency in the EPL is bad then just tune in to an MLS match sometime and you will find yourself yearning for Howard Webb.

The former Racing Santander and Almeria man played several years in La Liga facing up against great players like Cristiano Ronaldo and Lionel Messi, but has still found coming up against MLS wingers a test.

His manager at DC, Ben Olsen, believed that Fernandez underestimated the level of the league and paid for it in United's slow start to the season.

So it seems that the league's newest left back will have to get to grips with being pushed around the pitch and referee's not punishing those pushes at his new team.

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