“Pakistan paceman Mohammad Amir has lost his central contract. ©AFP” /> Karachi (AFP) – Pakistan fast bowlers Mohammad Amir and Wahab Riaz have lost their central contracts after the pair decided to focus on white-ball cricket, officials said Wednesday, as selectors promote younger pacemen. The Pakistan Cricket Board (PCB) also confirmed Azhar Ali as Test captain and Babar Azam as one-day and Twenty20 captain for the upcoming season starting in July. Eighteen players in three categories received central contracts guaranteeing their monthly salaries and benefits for 12 months. The exclusion…