When team-mates attack

Federico Macheda may be in line for a tricky return to Old Trafford after an indiscrete comment to Italian journalists about beleaguered Manchester United team-mate Wayne Rooney.

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The United youngster is quoted as saying: "Rooney is a really great person, he always gives me advice, but he's a bit working class and vulgar."

Some would argue he's only stating the facts, but it could be conveyed as an attack on his fellow striker. It's not the first time that sportsmen on the same side have fallen out - sometimes it's creative tension, sometimes it's loathing...