DETROIT — The worst team in baseball record-wise is nearly a quarter of the way through its 2013 season. The Astros are 11-30, 15 games behind the first-place Rangers in the American League West, dead last in their new league overall and on pace for an AL record-tying 119 defeats. Mixed in with four losing streaks of at least five games, blowouts and series sweeps, constant roster moves and call-ups from Class AAA Oklahoma City are random victories. Within the wins are displays of promising resiliency and the beginnings of a real pulse from a rebuilding club that’s slowly beginning to take on the strong character of first-year manager Bo [...]