NBC, in its most recent scheduling information posted on its website, has announced additional tentative coverage of the wrestling competition at the Olympic Games in Sydney, Australia.    According to the most recent television schedule on NBCOlympics.com, there are nine wrestling segments on NBC's official Olympic coverage schedule. In the preliminary schedule published on September 1, there were only three wrestling segments listed.    The coverage includes five wrestling segments on the parent NBC network, including four freestyle and one Greco-Roman segment. In addition, the new schedule lists four additional wrestling segments on CNBC, including three Greco-Roman and one freestyle segment.    Fans can go the NBCOlympics.com, and visit the television schedule section. Fans can sort the NBC schedule by sport and see the proposed coverage of that sport on the NBC, CNBC and MSNBC networks. The schedules are tentative and are subject to change.    POSTED NBC WRESTLING COVERAGE FOR OLYMPIC GAMES  Monday, September 25, CNBC, Greco-Roman quarterfinals and semifinals at 5-9 p.m.     Tuesday, September 26, CNBC, Greco-Roman finals, 5-9 p.m.     Wednesday, September 27, NBC, Greco-Roman final (130 kg), 7 p.m.-midnight    Wednesday, September 27, CNBC, Greco-Roman finals, 5-9 p.m    Thursday, September 28, CNBC, Freestyle preliminaries, 5-9 p.m.    Friday, September 29, NBC, Freestyle quarterfinals and semifinals, 7 p.m.-midnight    Saturday, September 30, NBC, Freestyle quarterfinals and semifinals, Noon-6 p.m.    Saturday, September 30, NBC, Freestyle finals, 12:41-2:11 a.m.    Sunday, October 1, NBC, Freestyle finals, Noon-6 p.m.    Visit NBCOlympics.com for updated daily schedules of coverage on NBC, CNBC and MSNBC. Wrestling fans are encouraged to can call NBC at 212-664-2333 to request even more coverage.    Wrestling on TV Schedule