Two issues, each coming on opposite ends of the floor, that were previously simmering beneath the surface of a rosy start for the Pacers, featuring internal development and modernized tactics in spite of injuries to key players, came to a head in games this week against the East’s two top teams. One, producing a stunning, late-game collapse against the Philadelphia 76ers (16-6), and the other, resulting in a 20-point beatdown versus the Milwaukee Bucks (13-8). So, what are these problems and how do the Pacers, even with a shorthanded and somewhat unbalanced roster, fix them?