Blanco had surgery on his left shoulder on September 29, 2006, to repair a posterior labrum tear in his left shoulder, which he injured during a swing five days prior against the Tigers.
Glenoid labrum, a lip-like projection of cartilage on the human scapula surrounding the joint between the humerus and the shoulder blade
After a successful stint with the Double-A Bowie Baysox, he made his debut for the Orioles on August 20, 2004, but suffered a torn labrum in his left shoulder and was limited to nine major league games.