Editorial: HEAD > Yonex

Why did Wawrinka switch to Yonex? He was a HEAD sponsored player using the Prestige line for as long as I can remember watching him play.  They are sweet racquets.  But are Yonex good?  Because I have never seen anyone win anything using one except maybe Lleyton Hewitt like 17 years ago.  Nalbandian has always used them.  But they have that odd shape that looks like the top the racquet got smashed.  Maybe Novak Djokovic's sponsorship with HEAD and his success using the Youtek Speed line of racquets burt Wawrinka's chances for a lucrative deal with HEAD.