As the debate for changes in tennis rages on, the Big Four weigh in
Who are the next big four of men's tennis?
The more time passes the more the idea of a 'Big Four' in tennis is laughable - Tennis365
We look at the fortunes of tennis' big four in the wake of Rafa Nadal's US Open win | Tennis News | Sky Sports
Ranking the Big Four rivalries - Sports Illustrated
The Biggest Reasons to Believe the Big 4 Era in Men's Tennis Is Over | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Five players hoping to consign tennis's big four to history | US Open Tennis 2014 | The Guardian
Big Four Tennis (@bigfour_tennis) / Twitter
The Rise and Fall of the 'Big Four' in Tennis - The SportsRush
The Different Eras of Tennis' Big Four - HowTheyPlay
Roger, Rafa, Novak & Andy: Team Europe practice session unites 'Big Four' on the same court
The Big Four of Men's tennis – Novak Djokovic, Roger Federer, Rafael Nadal and Andy Murray – square off in Madrid
Stat proves 'Big Four' domination in men's tennis in the past decade
Does Andy Murray deserve to be part of the Big Four? - Quora
The Different Eras of Tennis' Big Four - HowTheyPlay
Big Four' well ahead - Eurosport
Breaking Down The Different Eras Of The Mighty 'Tennis Big Four' - Playo
Seven players who could make up tennis' next 'Big Four' | Sporting News
Who Are the "Big Four" in Tennis? - HubPages
The current state of men's tennis heading into the Australian Open - Visuals - ESPN Playbook- ESPN
End of the road for the Big Four? | Mint
Grand slam win % of the Big Four (from We Are Tennis) : r/tennis
Federer on Tennis' Big Four: We're not done yet-Sports News , Firstpost
Tennis Analysis – What Makes Tennis' Big Four So Great
