The rest of the sports world reacts to Australian Open titles won by Serena and Federer

Congrats @rogerfederer #AusOpen

— Usain St. Leo Bolt (@usainbolt) January 29, 2017

Congrats again Roger for winning the#ausopen

— jerryrice (@JerryRice) January 29, 2017

Congrats to #WilliamsSisters #AustralianOpen2017#finals @serenawilliams #23grandslams @Venuseswilliams #history

— Mike Tyson (@MikeTyson) January 28, 2017

Amazing match, congratulations to @rogerfederer! #AusOpen

— Alex Morgan (@alexmorgan13) January 29, 2017

SO happy that #Fed is back!!! #18 @rogerfederer #inspiring

— lindsey vonn (@lindseyvonn) January 29, 2017

.@rogerfederer = #GOAT #congratulations #AusOpen2017

— Jason Collins (@jasoncollins98) January 29, 2017

Queen of the court.

Honoring @SerenaWilliams' 23rd major, the #AirJordan I Retro High EP GG drops tomorrow in . pic.twitter.com/P8M4ygC0aZ

— Jordan (@Jumpman23) January 29, 2017

#GOAT pic.twitter.com/38itTeQijV

— Kobe Bryant (@kobebryant) January 28, 2017

Congrats, Serena! Greatest ever! #justdoit @serenawilliams pic.twitter.com/SEYPg0CxWl

— Dirk Nowitzki (@swish41) January 28, 2017

That was worth staying up for.

— Dorell Wright (@DWRIGHTWAY1) January 28, 2017

Congrats…she just may be #G.A.O.A.T https://t.co/JR17QRWrke

— Greg Anthony (@GregAnthony50) January 28, 2017

No puedo esperar mas!! Duelo de Titanes!! #justdoit #VamosRafa @RafaelNadal #leyendas pic.twitter.com/KYa4wykevx

— Rudy Fernandez (@rudy5fernandez) January 29, 2017

#Repost @kevinfrazier (via @repostapp)
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Without a doubt @serenawilliams is the greatest… https://t.co/NzosfGUkgb

— Caron Butler (@realtuffjuice) January 28, 2017

So happy for Roger! Rafa also deserved it. Two great champions and legends! #justdoit @rogerfederer @RafaelNadal pic.twitter.com/79wvUp8z8C

— Dirk Nowitzki (@swish41) January 29, 2017

GRACIAS / THANK YOU #AusOpen pic.twitter.com/NBixejFRxT

— Pau Gasol (@paugasol) January 29, 2017

Thank you both gentlemen for a true classic. @rogerfederer @RafaelNadal #AustralianOpen

— The Needle (@spencerhawes00) January 29, 2017

Great tennis match this morning great broadcasting too great guys but Roger win his 18 major congratulations

— Charles Oakley (@CharlesOakley34) January 29, 2017

#muygrandes#dificildesuperar pic.twitter.com/RtB9cNFgFM

— jose manuel calderon (@JmCalderon) January 29, 2017

Gracias por volver a ilusionarnos @RafaelNadal ! Volverás a ser el mejor! Felicidades a @rogerfederer !Otro gran ejemplo de superación! pic.twitter.com/smTWp1n05W

— Iker Casillas (@IkerCasillas) January 29, 2017

El número 1 en la victoria y en la derrota. @RafaelNadal. Leyenda. Siempre. / Number 1. Legend. @RafaelNadal

— Sergio Ramos (@SergioRamos) January 29, 2017

WOW what a finish!!! Fantastic! Congratulations to Roger and now….ties Jack! 18 very BIG ones! @jacknicklaus

— Sir Nick Faldo (@NickFaldo006) January 29, 2017

— Rory McIlroy (@McIlroyRory) January 29, 2017

Thats was UNREAL!!!!!!

— Branden Grace (@BrandenGrace) January 29, 2017

Congratulations Roger Federer @rogerfederer

— Louis Oosthuizen (@Louis57TM) January 29, 2017

Congrats to @rogerfederer on winning the #AustraliaOpen2017 wonderful comeback from @RafaelNadal as well #class acts #bestever

— Annika Sorenstam (@ANNIKA59) January 29, 2017

Some #Arsenal players celebrating Roger Federer's win. pic.twitter.com/x7NJJmBIKj

— Arsenal Related (@ArsenalsRelated) January 29, 2017

That could have been the last epic grand slam finals showdown between Fed and Rafa. And of course it was a five setter. #federer #aussieopen

— Linda Cohn (@lindacohn) January 29, 2017

This is a legitimate argument. pic.twitter.com/4C78GcFwCe

— Stephen A Smith (@stephenasmith) January 30, 2017