The third round of the BMW Championship is set to begin. Golf Channel will televise live action Saturday from 10 a.m. to 12 p.m. ET and on NBC from 12-3:30 p.m. with a replay from 9:30-11:30 p.m. ET. LIVE@ coverage on PGATOUR.COM will begin at 10:30 a.m. ET with “On The Tee.”