By Rich Jones Jack Nicklaus has become the latest big name to perform a U-turn on LIV Golf – admitting the Saudi-backed league has made much more of a splash than he ever expected. The golf legend was among those outraged by the rebel competition poaching a host of big names from the PGA Tour by offering lucrative contracts funded by the Public Investment Fund of Saudi Arabia. Despite a merger being announced, a deal between LIV and the PGA Tour has still not been agreed as political division continues to dominate the sport. But Nicklaus has conceded that LIV Golf has been a “powerful addition…