 All-star third baseman Hank Blalock was moved to the 60-day disabled list after being diagnosed with thoracic outlet syndrome in his right shoulder, a condition that required surgery and a layoff of as much as three months.Outfielders Brad Wilkerson, Frank Catalanotto and Jerry Hairston, Jr. also had long stints on the disabled list in May.At month's end, only second baseman Ian Kinsler was among the top three players at his position in All-Star balloting.