Dustin Johnson and Bryson DeChambeau the latest big names to commit to PGA Tour

Dustin Johnson and Bryson DeChambeau have committed their futures to the PGA Tour (Richard Sellers/PA)

Dustin Johnson and Bryson DeChambeau have committed their futures to the PGA Tour, delivering potentially fatal blows to the prospects of a breakaway golf league.

The Ryder Cup team-mates have joined the likes of Rory McIlroy, Tiger Woods, Jon Rahm, Collin Morikawa, Justin Thomas and Brooks Koepka in resisting the overtures of a Saudi-backed rival circuit spearheaded by Greg Norman.