Degrade gracefully on football overview flexbox

Degrading gracefully for browsers supporting the old flexbox (Firefox >= 24).
![flexbox](https://cloud.githubusercontent.com/assets/31692/2968644/2497b58a-db43-11e3-81a7-bb84fd0ad176.png)

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![What?](http://3.bp.blogspot.com/-0xQ7pt8ocw0/UnwSwVPDuAI/AAAAAAAAOyg/EnBLQ_TAmMM/s1600/no-idea-what-i-am-doing.gif)