Tiger Woods undergoes lumbar disc replacement, outside OWGR top 2,000

Tiger Woods has undergone another back operation and fallen outside the top 2,000 in the Official World Golf Ranking, a stark marker of how injuries and inactivity have reshaped the career of the 15 time major champion. The 49 year old made a brief public appearance at an exhibition at Liberty National Golf Club in September, then confirmed he had a lumbar disc replacement, the seventh lower back surgery of his career, and is expected to be sidelined for months as he recovers.

The Official World Golf Ranking lists Woods outside the top 2,000 players, with published standings placing him around 2,084, the lowest position of his professional career, which began in the 1990s. His prolonged absence from regular competition and a string of surgeries have contributed to a steep decline from the peak of his career, when he spent a record 683 weeks at world number one and won 15 major championships.

Medical analysts say the latest procedure will keep Woods out of competition for at least three to six months, though they warn recovery could take longer because of his age and history of recurring back problems. That timeframe raises the prospect that, if he remains inactive into early...