The team said he would undergo the arthroscopic surgery in
Birmingham, Ala. He was also going to have a bone spur removed from
his right elbow.
Estrada, a switch-hitting catcher, batted .278 with 10 homers
and 54 RBIs in 120 games. He threw out just 7.6 percent of runners
attempting to steal, the worst among NL catchers.
Estrada hurt his knee trying to beat an infield grounder at
Atlanta on Sept. 22 and missed the final week of the season.