Cubs’ bullpen arms ‘feeling good about themselves’ as playoff-style pitching and postseason moments loom

SEATTLE – Jacob Webb has learned something about this sport. “In baseball,” the Cubs’ closer said Saturday, “you’ve got to expect the unexpected sometimes.” Indeed, his season counts as unexpected. The Cubs signed the righty reliever – successful, with a 3.22 ERA with three teams over the previous three years – to a one-year free-agent deal worth $1.5 million last offseason, bringing him in to be a piece of their bullpen puzzle. But not the piece. That’s what he’s been, though, the team’s go-to…