With the Soweto Derby having just passed, and El Clasico between Real Madrid and FC Barcelona coming up, we decided to look at 12 of the beautiful game's biggest derbies.
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Football is the world's most watched sport, with 3.5 billion fans worldwide, but it is when two rival teams meet that it is at its most exciting.
In our gallery, we look at the game's biggest rivalries, matches during which there is usually no love lost between the teams. Even if players are going up against national teammates, they will do everything they can to ensure their club comes out on top.
We saw this a few years back when Real Madrid's Sergio Ramos and Barcelona's Carles Puyol got into a physical altercation in an El Clasico tie. Teammates for Spain, but enemies when playing for their respective teams.
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Which derby do you find the most entertaining? Let us know in the comments section below.