MADRID—Wishing his “older brother” Kobe Bryant could be there by his side, Pau Gasol finally put an end to a basketball career that went “way beyond my dreams and expectations.” Gasol announced his retirement from basketball on Tuesday after a career that lasted more than two decades and earned him two NBA titles and a world championship gold with Spain’s national team. “In the end, playing until the age of 41, with everything that I have done, I think that’s not bad,” Gasol said. “I’m very pleased and very grateful for having the career that I had and for receiving so much affection and support.” Gasol had already announced his farewell from international basketball in August after Spain lost to the United States in the quarterfinals of the Tokyo Games, which marked his fifth Olympics. Gasol had been with Spanish club Barcelona since February. His career had stalled before that …