Bale scored against Villarreal on his Real Madrid debut
The Welshman played his first game as a madridista on the 14th of September 2013.
“We've had a 15-year alliance between two organisations of international prestige, who complement each other in striving for excellence, attention to detail and leadership”, said Butragueño.
The Brazilian has made five assists in the league campaign, four of which have come away from home.
Zidane's men will visit San Mamés on match day 28 of LaLiga.
Madrid racks up its ninth straight victory in the competition after downing Darussafaka, courtesy of a decisive first quarter from Llull in which he made 19 of his 26 points.
It will take place on Monday the 27th at 1:00pm in the presidential box at the Santiago Bernabéu, with Florentino Pérez in attendance.