it’s an arthroscopic procedure, called a debridement, to repair a tear of the medial meniscus (that’s cartilage, from what I understand) in his right knee. He’ll be out four to six weeks, and while the down time might not help him, it certainly isn’t going to hurt him — or the Dodgers — given the year he is having. Surgery will be performed by team physician Dr. Neal ElAttrache. Jones was placed on the 15-day DL just before game time. The club will purchase the contract of versatile utility man Terry Tiffee, who is having an outstanding season at Triple-A Las Vegas. To make room for him on the 40, Nomar goes to the 60-day DL, which tells you won’t be back ANYTIME soon.