MINNEAPOLIS – All four of the Astros’ full-season minor league affiliates have clinched playoff spots. The Lancaster JetHawks of the Class A Advanced California League became the Astros’ fourth affiliate to clinch a playoff berth Friday, following Class AAA Fresno, AA Corpus Christi and Low Class A Quad Cities. “It’s a great accomplishment for our coaches and staff and obviously our players,” Astros general manager Jeff Luhnow said.