BROOKLYN—Jimmy Butler scored 24 points, Nikola Mirotic had 18 and the Bulls won for the second time in two nights to open the season, beating the Brooklyn Nets 115-100 on Wednesday night.Pau Gasol added 16 points and Derrick Rose 15 for the Bulls, who followed their season-opening victory over Cleveland by shooting 54 percent and leading by as many as 19. They built a big early lead, blew most of it with a defenseless second quarter and quickly pulled away again in the third.Brook Lopez had 26 points and Andrea Bargnani had 17. The Nets opened their 40th season in the NBA by falling into a quick 7-0 hole and trailing the rest of the way. They missed all nine 3-point attempts.The Nets had won their first home game in all three seasons since moving to Brooklyn. Seven of their first 10 games this season are on the road, including a back-to-back this weekend at San Antonio and Memphis.