Rooney: Sir Alex is the greatest ever... but we had our differences!
![Rooney: Sir Alex is the greatest ever... but we had our differences!](http://static.goal.com/457000/457016_gallery.jpg)
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The 29-year-old striker admitted to having issues with the former boss and suggested that he would never make himself unavailable for the Three Lions
The 29-year-old striker admitted to having issues with the former boss and suggested that he would never make himself unavailable for the Three Lions