Minnesota Timberwolves forward Jimmy Butler (23) watches in the third quarter of an NBA basketball game against the Sacramento Kings in Minneapolis. Butler isn't the first NBA star to ask for a trade, nor will he be the last. But it's far from guaranteed that even if he succeeds in forcing Minnesota into making a move he'll wind up in a place he wants. 

New York Knicks guard Derrick Rose goes to the basket against Los Angeles Clippers center DeAndre Jordan during the second half of an NBA game, March 20, in Los Angeles. The Clippers won 114-105.