Tiger Woods, who is unsure when he will return to the PGA Tour after sustaining serious leg injuries in a car crash, said on Wednesday he would compete with his 12-year-old son Charlie at next week’s PNC Championship in Orlando. The Dec. 18-19 event is a 36-hole tournament with a field typically comprised of major champions and their parents or children. “Although it’s been a long and challenging year, I am very excited to close it out by competing in the @PNCchampionship with my son Charlie,” Woods wrote on Twitter. “I’m playing as a Dad and couldn’t be more excited and proud.” Last month, Woods posted a video to social media of him swinging a club along with the caption “making progress” and last week he logged practice time at the Hero World Challenge event he hosted in the Bahamas. Woods suffered serious injuries to his right leg and foot …