why does Ancelotti prefer Lopez to Casillas

The Spanish newspaper (marca) sports reported today, the "secret" behind the insistence of Italian coach Carlo Ancelotti to keep the leader of the team goalkeeper Iker Casillas on the bench and push Lopez essential where said that "Carlito" would prefer "for tall" since its inception in the world of training.
The length of Casillas 185 cm while up along of Lopez is 196 cm.

At the beginning of his training career with Parma in 1996-97,Ancelotti began with Luca Bucci 180 cm but he only played for eight rounds after 2 defeats, then he bet on Gianluigi Buffon (191 cm) who was then 18 years without considerable experience.

Then Buci found itself obliged to sit up and departed in the half of the season toward Pérouse , and then he stayed under Buffon essential for two seasons until the departure of Ancelotti.

Ancelotti arrived later to lead Juventus in the 1998-99 season,at that time Angelo Peruzzi was the main goalkeeper -who was short-, As soon as the season ended , the Italian coach contracted with Dutch Van der SAR (199 cm).

Peruzzi That was at that time one of the symbols of the Juventus, had to leave toward Inter Milan. Ancelotti depends on Van der SAR throughout two seasons until his departure.

Then Ancelotti stayed without a team until the season 2001-2002 where he started in training AC Milan in November and did not affect the goalkeeper performed Christian Abbiati (191 cm) until the beginning of the season of 2002-2003.

After that, Ancelotti changed his bet on the Brazilian goalkeeper Dida who is taller (195 cm) and became the main goalkeeper for five seasons, in the end, Dida got injury and his replacement arrived in 2007-2008 season, Australian Zeljko Kalac (202 cm), in the last year with Milan, Anchelloti returned Abbiati to play essential.

In 2009 Ancelotti took Chelsea, where did not affect the training of Czech Petr Cech (196 cm) during the two years he spent in England , and in season and a half spent with Paris Saint Germain under the dependent on Salvatore Sergei (192 cm)