Asked for comment, Rodriguez's lawyer said to contact the player's PR firm, which said it had no comment.

WSJ: The Yankees' Next Steps

Neither player made a clean contact with the ball and Bendtner reacted quickly to tap home the knock down and score his first goal at the Emirates Stadium.

BBC: Bendtner scored but missed a late penalty

Scientists at Imperial College London examined the force of ball-to-head contact in soccer because it has been rarely studied compared with other types of head contact in the world's most popular sport, such as player head-to-head contact.

WSJ: Soccer 'Header' Impact Likened to Hard Punch

The Cardiff Blues player was cited for allegedly making contact with the eye area of Dylan Hartley in their Heineken Cup defeat to Northampton Saints.

BBC: Wales scrum-half Richie Rees awaits hearing date

The group has set limits on how long each player can stay in a game and how much contact is allowed during practices.

CNN: Make football safe for our kids

If the BBC media player doesn't recognise your address, you must contact your ISP as they alone can register your address.

BBC: Your guide to the BBC Embedded Media Player

And NFL player Brendon Ayanbadejo, The New York Times reported, has been in contact with closeted players in several sports.

CNN: NBA's Jason Collins comes out as gay

You should go into contact and not lose the ball - I would want any player I coached to make sure the ball comes back 99% of the time.

BBC: Jeremy Guscott Q&A

Clubs may also contact an agent to work on their behalf and ask them to find a buyer for a particular player.

BBC: Transfer deadline day

It will then self-destruct not in flames, its inventors hasten to add, but because contact with the air eventually renders its surface opaque, making it impossible for the laser in a disc player to read the data beneath.

ECONOMIST: A new twist on an old polymer