Transfer news and rumours LIVE: Defoe joins Sunderland, Falcao must prove himself at Manchester United, Arsenal agree Bielik fee

The latest stories and all the transfer rumours on Friday 16 January

Mats Hummels, Kevin Strootman, Nathanial Clyne and Gonzalo Higuain (Getty Images)

Friday's latest transfer news and rumours as the January transfer window opens for business:

• Jermain Defoe joins Sunderland on a three-and-a-half year deal
• Manchester United board to sanction £150m worth of new signings today
• United targets include Mats Hummels, Kevin Strootman and Nathanial Clyne
• Arsenal agree £2.5m fee for Legia Warsaw midfielder Krystian Bielik who will have medical today
• Gonzalo Higuain is happy at Napoli and has not held talks with either Liverpool or Arsenal
• Everton fear losing Kevin Mirallas after he delays contract talks

For the answers to all those rumours and updates and much more, follow the latest below...

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