Xabi Alonso (Eusk.)
This player has a Basque nationality. And in Basque language "x" is read as [sh].
In Catalan language "x" is read as [sh] too, although Spanish commentators call him [chavi]. You may call a player [havi] only if he is Spanish and his name is spelled as "Javi".
Famous nickname of Boca Juniors is derived from Italian "Genovese" and refers to Italian immigrants who had been club's first hinchas. The way to pronounce this scary, but classy word is [sheneise].