Joba out for season?

[doublem23]

Ligament tear, likely shelved for 2011

http://sports.espn.go.com/new-york/mlb/news/story?id=6645446

[#1swisher]

NYTimes (http://www.nytimes.com/2011/06/10/sports/baseball/yankees-must-make-do-without-joba-chamberlains-magic.html?_r=1) article. http://www.nytimes.com/2011/06/10/sports/baseball/yankees-must-make-do-without-joba-chamberlains-magic.html?_r=1

How do you prevent this? From the article, he was handled with extreme care.
Tough break, good thing he's only 25.