Yep, I agree that most owners would probably feel that providing such information unilaterally would give themselves a competitive disadvantage (although I'm far from convinced about that argument, particularly when people in the industry almost certainly have the means to get that info anyway...
All valid points.
But it doesn't stop most (if not all) the major sports in the US having much greater transparency in terms of player contract length, and detailed salary figures, by year. For instance, those nasty LA Dodgers had a payroll of $220 million last season, whereas the good-guy...