Tiger Woods apologised on Friday after being criticised for handing a tampon to fellow American Justin Thomas as a joke during the first round of the Genesis Invitational.The 15-time major winner's comeback journey encountered controversy as images circulated on social media of Woods handing the period product to the twice PGA Championship winner after out-driving him on the ninth hole on Thursday.Thomas, who was in Woods' grouping along with second-ranked Rory McIlroy in Pacific Palisades, California, quickly threw the tampon to the ground.