Roger Federer's Retirement Makes Room for a New Era of Champions - The New York Times
Federer, Nadal, Djokovic set new bar for next generations - The San Diego Union-Tribune
Roger Federer admits 'end is near' for his career, announces he'll miss Australian Open and likely Wimbledon - CBSSports.com
Over a Decade of Incredible Moments" - Djokovic Sends Praise to Federer
Novak Djokovic downplays Roger Federer retirement with epic Rafael Nadal comment | Tennis News - Hindustan Times
Nadal, Djokovic or Federer? Who is the real GOAT?
Federer: Novak Not Unbeatable, Rafa is Greatest Rival
I thought: OK, this is now my time' - Djokovic pays tribute to big three rivals - TennisBuzz - Breaking tennis news, live scores and features
Mats Wilander: Roger Federer now unable to beat Novak Djokovic in Grand Slams, but Rafael Nadal can - Tennis365
Novak Djokovic could catch Roger Federer, Rafael Nadal in Grand Slams
Roger Federer Is Retiring, But Nadal, Djokovic And The GOAT Debate Will Rage On
Djokovic–Federer rivalry - Wikipedia
Roger Federer vs Novak Djokovic - Extended Highlights (SF) | Australian Open 2020 - YouTube
Timeline: How Novak Djokovic caught up with Roger Federer and Rafael Nadal at 20 Grand Slam titles | Tennis News - Times of India
What Roger Federer said after beating Novak Djokovic in 2007 was a hint to his success | Tennis | Sport | Express.co.uk
Roger Federer bows to injury and Djokovic but winning belief remains | Australian Open 2020 | The Guardian
Wimbledon: Roger Federer lets one get away, falls to Novak Djokovic
Roger Federer tweets a photo with tennis greats as pundits ask who the next generation of superstars will be - ABC News
Roger Federer brings down curtain on his career with a defeat, but still dazzles alongside longtime friend and rival Rafael Nadal | CNN
Djokovic equals Federer's feat, joins Nadal in elite list with Astana Open title | Tennis News - Hindustan Times
