The Seattle Mariners made a move bolster their offense and production at the catcher position, bringing in veteran backstop Welington Castro from the Chicago Cubs. The M’s traded reliever Yoervis Medina to Chicago in return.
On the surface the move seems reasonable. The M’s could use reinforcements behind the plate thanks to the offensive struggles of Mike Zunino (.179 batting average) and Jesus Sucre (.067).
For his part, Castro will provide an upgrade over Sucre, and is at worst a time-share option with Zunino.
The now former Cub’s best seasons came in 2012 and 2013 when he hit .271 with 13 home runs and 54 RBI over 165 games. That’s all fine and well until you consider his stat line since: 134 games, 15 home runs, 51 RBI, 114 strikeouts and a .229 batting average (including a .163 mark this season). Castro had a WAR of 4.5 in 2013, but has been worth a -0.1 WAR this year.
Even if Castro doesn’t return to his 2012/2013 form, production somewhere between that and his struggles this season should provide the M’s with an upgrade at catcher. The price paid to bring in that potential upgrade was… interesting.
Yoervis Medina, owner of a sparkling 2.82 ERA over 137 innings pitched, was moved to the Windy City in the transaction. Granted the reliever hasn’t been himself this year with lower strikeout rates, an increasing walk rate and more hits allowed per nine innings. Additionally, his WHIP and FIP are both up from last season. Basically Medina’s numbers have gone up in all the places you’d like them to go down and down in all the places you’d like them to go up.
Still, Medina has a 3.00 ERA this season in the big leagues and a 1.59 number with Triple-A Tacoma. It would be a different story if the M’s bullpen was the well-oiled machine that it was in years past, but this year it simply hasn’t been as stellar.
Carson Smith and Charlie Furbush have both put up numbers reminiscent of past year’s bullpens, but after that there are question marks. Fernando Rodney remains the team’s closer, but is sporting an ugly 5.65 ERA in 14.1 innings pitched. He has nine saves. Danny Farquhar isn’t far behind with a 4.74 ERA. Other ERA eyesores include Tyler Olson and Dominic Leone (5.40 ERA each). Tom Wilhelmsen, Joe Beimel and Mark Lowe all have ERAs under three, but have collectively thrown 14 innings.
Despite Medina’s dip in certain statistical areas, he would still provide a better option than some of the M’s recent options, including four pitchers with ERAs over 4.70.
The addition of Castro is a solid one, one that will pay dividends for the Mariners, but you can’t deal a promising reliever, minor struggles and all, when the rest of the bullpen is performing… well, how they’re performing.
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All stats courtesy of Baseball-Reference.com unless otherwise noted.
