Ranking bullpens isn't an easy task because they are normally a year-to-year thing and sometimes even a week-to-week proposition.
But if you look at a bullpen from the closer and work your way back, the edge goes to Oakland because of what the Athletics boast at the back end of their bullpen.
Here's a look at the bullpens in the West and their rankings.
Oakland - A healthy Grant Balfour allows the Athletics to turn ballgames into seven-inning affairs. The fiery Balfour was automatic for the Athletics down the stretch last season, finishing with 24 saves. He was slowed by knee surgery this spring but is already back pitching in games and should be good for the start of the season. Set-up man Ryan Cook is power set-up man from the right side and Sean Doolittle gives Oakland the same type of option from the left side. Cook allowed 42 hits in 73 13 innings last year and Doolittle had 60 strikeouts in 47 13 innings. Jerry Blevins and Jordan Norberto are both lefties who combi...