Tate's already had a reco on his left knee. Apparently they don't want to try lars on his knee after it's already had a knee reco before.
Well, that's fair enough then. LARS is much more riskier with a knee that's already had a reconstruction apparently.
Different sport but thought it was relevant. http://au.fourfourtwo.com/News/188931,costa-hit-by-new-knee-blow.aspx