Tweets of the Week: Davenport signs on with Keys, Federer snaps selfies

Roger Federer took several selfies in Europe, Garbine Murguruza shared a precious throwback photo and Lindsay Davenport confirmed she will be working with Madison Keys. Here are the best tweets from the tennis world this week:

Davenport has signed on to help coach Madison Keys through the off-season.

Thanks for some nice messages today. Excited to be on court and help Madison until she finds a full time coach. This off season will be fun
— Lindsay Davenport (@LDavenport76) November 7, 2014

Mr. rafaelnadal my Mommy and I hope u get well soon, your #1 fan, Chip R.N http://t.co/8VM8Rr2Eg9
— Serena Williams (@serenawilliams) November 5, 2014

I don't like menus. Just bring me food. I don't eat meat. Surprise me.
— Serena Williams (@serenawilliams) November 4, 2014

Seven burning questions ahead of the ATP World Tour Finals

@ryanharrison92 #tbt? lol pic.twitter.com/mrYjxNgMhb
— Jack Sock (@JackSock) November 6, 2014

Mi primer torneo! #Increíble #recuerdos #pasado
My first tournament! #Incredible #RememberThePast pic.twitter.com/ulVCIyp9EU
— Garbiñe Muguruza (@GarbiMuguruza) November 3, 2014

I don't even know where to start with this picture. #japan #youareamazing #letscaptionit pic.twitter.com/8XfM7HOWan
— Maria Sharapova (@MariaSharapova) November 7, 2014

Oudin underwent heart surgery to correct an ahrythmia.

Hey everyone, the procedure went extremely well today! I'm sore and struggled getting up from the anesthesia but I pic.twitter.com/vLhpA6nTRU
— Melanie Oudin (@melanie_oudin) November 7, 2014

am home now. Just wanted to thank you guys for your kind thoughts and prayers. It means a lot to me. #postoppicture
— Melanie Oudin (@melanie_oudin) November 7, 2014

American tennis pro Melanie Oudin home after heart procedure

"@TennisReporters: Andy Murray on mom's dancing:"Judging by some of her performances I'd say I'm probably better! http://t.co/CXPcODG2mG"HUH
— judy murray (@JudyMurray) November 6, 2014

¡Comencé la #pretemporada 2015!
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Pre-season #training is on! pic.twitter.com/OGnl5xJT5B
— Juan M. del Potro (@delpotrojuan) November 6, 2014

Steffi Graf @TheBorisBecker @manuel_neuer @DirkNowitzkiNBA wish German #FedCup team luck #behindthescenes pic.twitter.com/ewdDpQGqot
— Billie Jean King Cup (@BJKCup) November 6, 2014

Thrilled. Humbled. You guys are the best. Thanks for voting and always supporting me and Tennis. pic.twitter.com/QomoItdgg6
— Roger Federer (@rogerfederer) November 6, 2014

Nobody bites the corner of a ghirardelli chocolate square like the chick in the commercial... if they do they're definitely not that happy😐
— Bethanie MattekSands (@matteksands) November 5, 2014

🇬🇧 Tower Bridge pic.twitter.com/1bNjszbIiZ
— Roger Federer (@rogerfederer) November 6, 2014