Because their bullpen was one of the worst in the MLB in 2015, the Oakland Athletics did attempt to revamp their relief staff this offseason. However, this overhaul has not dramatically improved the pen. The A’s added some additional arms, but they also lost some relief pitchers who had been key pieces on their 2014 and 2013 postseason teams.
Let’s go back to the start of the 2015 season when the A’s bullpen seemed to be solid by the time Opening Day rolled around. Little changes were made to the relief staff during the 2014/2015 offseason since the bullpen had been strong the prior season.