Chelsea’s 18-year-old winger Callum was heavily linked with Bayern Munich throughout the window.
But the £40m switch didn’t happen - but his brother’s move did.
Bradley Hudson-Odoi is now a Woking player are moving from National League South side Wealdstone.
Acting as his brother’s agent, he has been very busy keeping up with what’s going on throughout January.
Now the window is shut he can focus on his football - and getting the Cards’ title bid back on track.
Woking have suffered an FA Cup hangover and they slipped to a 2-0 defeat to the Stones last weekend.
Manager Alan Dowson said: “It’s been done for a while and we’re delighted to have him.
“He brings a lot of personality with him and hopefully he can make a big impact.”
Woking travel to Oxford City on Saturday and the home side are confident of getting the game on.