The PGA Tour would welcome legalized and regulated US sports betting on its competitions if the Supreme Court overturns the federal ban that prohibits such bets in most states. “You have keep in mind that betting is happening right now, with illegal black markets and offshore betting, and we don’t have any exposure to what is happening,” PGA Tour commissioner Jay Monahan told USA TODAY Sports in his first public comments on the issue. “If it’s legalized and regulated, you get to a point where you can better ensure the integrity of your competitions. You can provide adequate protection for…