What does the sharia say about athletes wearing short sports clothes (shorts)?

Fatwa, posted 4.22.2010, from Iraq, in:
Religious Authority: 
Ali al-Sistanti
Fatwa Question or Essay Title: 
What does the sharia say about athletes wearing short sports clothes (shorts)?

This is permissible in and of itself to male athletes.

ما هو الموقف الشرعي لارتداء اللاعب الملابس الرياضية القصيرة (الشورت) ؟ يجوز ذلك في حدّ ذاته للاعبين الرجال .