(CNN)No one's getting carried away, but there were enough signs of the old Tiger Woods to suggest there might be some substance to his latest comeback. The bare numbers were a decent start -- a three-under 69 to sit three off the lead of England's Tommy Fleetwood in the first round of the 18-man Hero World Challenge in the Bahamas. But it was the manner of the former world No. 1's first competitive round for 301 days that gave optimism for the future.
