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Los Angeles Bullpen
Closer: Kenley Jansen
Setup: Ronald Belisario, Carlos Marmol, Brian Wilson
Relievers: J.P. Howell, Edinson Volquez, Chris Withrow
Kenley Jansen doesn't get the credit he deserves, but the hard-throwing right-hander has been a monster this season with a 111-18 strikeout-to-walk ratio in 76.2 innings.
The setup crew is also strong for the Dodgers. Belisario is the most volatile in the group because he gives up a lot of hits, but has done a good job of keeping the ball in the park.
Brian Wilson might be one of the great late-season signs this year. He has pitched three innings and given up three hits with four strikeouts in the postseason. He's getting hitters from both sides of the plate out and hasn't shown any significant control issues that usually plague pitchers in their first year back from Tommy John surgery.
As for the other relievers, they're not a great group, which is why they aren't likely to pitch in high-leverage spots. Chris Withrow might have the best arm, but he has also been prone to giving up the long ball with five in 34.2 innings during the regular season.
J.P. Howell is a good matchup lefty who can bridge the gap from the fifth or sixth inning to the latter stages of the game. Carlos Marmol and Edinson Volquez should not pitch in a series unless the Dodgers are ahead or behind by 10 runs.
Surprisingly, Chris Capuano and Paco Rodriguez did not make LA's bullpen in the NLCS. Capuano did a solid job relieving Ryu in Game 3, pitching three shutout innings. Rodriguez has been murder on left-handed hitters this season and far more effective than Volquez was at any point in the season.
St. Louis Bullpen
Closer: Edward Mujica
Setup: Trevor Rosenthal, Carlos Martinez, Kevin Siegrist
Relievers: Joe Kelly, John Axford, Randy Choate, Seth Maness
Edward Mujica doesn't fit the traditional profile of a closer because he's an extreme command guy with an average fastball who doesn't miss a lot of bats (46 strikeouts in 64.2 innings). That could be one of the reasons why Matheny used Trevor Rosenthal, who can roll out of bed and hit 100 with a knockout breaking ball, at the end of Game 4 against Pittsburgh.
Rosenthal is the key to the Cardinals bullpen because he gets used in the biggest spots late in games, which is how you want to use your best reliever. Carlos Martinez has also taken on a more prominent role late in games, though he is still refining the command to help that 100 mph fastball miss more bats.
Kevin Siegrist is St. Louis' matchup lefty, though he only allowed a .479 OPS to right-handed hitters this season, giving the team more options late in games.
Joe Kelly or Shelby Miller will end up being the swing man in the series, depending on which one doesn't start Game 1. I'd use Kelly in that role because his stuff plays better going through a lineup once instead of three times.
John Axford, Randy Choate and Seth Maness are matchup specialists, though Maness was used effectively in the NLDS going 1.1 scoreless innings.
Again, both teams are very close in this group. Rosenthal and Jansen are at the top of the ladder, though I give the Cardinals the overall edge because I think Matheny will turn to his best reliever in non-save situations before Don Mattingly does.
Advantage: St. Louis