By Matt Hladik Paige Spiranac isn’t just keeping tabs on the PGA Tour these days. She’s also commenting on the LIV Golf circuit. At this weekend’s LIV Golf event in Portland, PGA Tour defector Pat Perez was part of the winning team, the 4 Aces, along with Dustin Johnson, Patrick Reed and Talor Gooch. However, Perez struggled individually, shooting 80 on Saturday to finish +6 for the event. Spiranac made note of Perez’s poor final round and took a jab at the 46-year-old pro on Twitter Sunday morning. “Pat Perez shooting 80 and making 900k. Damn I was shooting 80s in pro tournaments for free,” S…