By Chris Rosvoglou Phil Mickelson has been out of the public eye for the past few months. While it’s unclear if he plans on returning to the PGA Tour, six-time major champion Nick Faldo believes Mickelson has no choice but to do so. “If Phil wants to protect his legacy, he’s got to return to the PGA Tour,” Faldo said during the third round of the PGA Championship on Saturday. Mickelson’s fallout really started because he admitted that he thought about using the Saudi-backed golf league as leverage against the PGA Tour. Even though Mickelson hasn’t commented about his future, his peers recently…