The Pirates lost 9-5 to the Nationals, and somehow the offense was not the biggest issue. Mitch Keller was hit hard again, Isaac Mattson struggled out of the bullpen, and the pitching staff continues to look like a much bigger problem than anyone expected. DiNardo, Tyler break down Keller’s rough outing, the pressure on Bill Murphy, why the Pirates may need more than just bullpen help at the deadline, and why Esmerlyn Valdez continues to be one of the only bright spots right now.