By Alek Arend As expected, Tiger and Charlie Woods are putting on a show at the PNC Championship this weekend. The iconic father-son duo shot an opening round 59 for a first-round score of 13-under. Tiger and Charlie are just two back of the leaders heading into Sunday. “Opening round 59 Team Woods is within 2 of the lead heading into Sunday @PNCChampionship,” the PGA Tour announced. Both Tiger and Charlie are battling injuries during this tournament, so it’s pretty remarkable they’re only two off the leaders through day one. It’s clear Tiger has still got it. “Tiger said he was really disappo…