‘It’s too early to make any judgments, of course, but Losman figures to improve as the season progresses, and his performance last weekend provided some early validation for the decision by Tom Donahoe, the Bills’ president and general manager, and Coach Mike Mularkey. They could have stuck with Bledsoe and tried to build on the success they had last season, when the Bills won nine of their final 12 games after an 0-4 beginning and barely missed the playoffs in the rugged AFC.’