It feels like a distant memory at this point, but not so long ago the Orioles were a good, competitive team. A huge reason for that success was a lock-down bullpen. Major league relief corps are bound to undergo changes; that’s just their nature. But the O’s were able to hold together a solid trio of Zach Britton, Darren O’Day and Brad Brach for much longer than usual. This past July, all three were traded away, leaving the team to rebuild the unit and fit the remaining players into new roles.