Pablo Carreno Busta edges past Kevin Anderson in Miami Open quarters

Kevin Anderson serves to Pablo Carreno Busta during a quarterfinal match in the Miami Open. | AP

Pablo Carreno Busta hits a return to Kevin Anderson during their quarterfinals match at the Miami Open. | AP

Kevin Anderson hits a return to Pablo Carreno Busta during their quarterfinal match at the Miami Open. | AP

Pablo Carreno Busta hits a forehand to Kevin Anderson during their quarterfinals match at the Miami Open. | AP

Kevin Anderson hits a return to Pablo Carreno Busta during their quarterfinal match in the Miami Open. | AP

Pablo Carreno Busta reacts after winning a game against Kevin Anderson during their quarterfinal match at the Miami Open. | AP

Kevin Anderson reacts after missing a shot against Pablo Carreno Busta during their quarterfinal match in the Miami Open. | AP

Pablo Carreno Busta reacts after defeating Kevin Anderson 6-4, 5-7, 7-6 (6) during the quarterfinals in the Miami Open. | AP

Pablo Carreno Busta celebrates after defeating Kevin Anderson in the quarterfinals of the Miami Open. | AP