Red Sox want David Ortiz to continue facing lefties even if he can’t hit them

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Red Sox manager Terry Francona said yesterday that he’ll continue to put David Ortiz in the lineup versus left-handed pitchers even though he hasn’t had success against them in years.

Here’s his reasoning:

For David to be successful—and I see his numbers against lefties, believe me, I do—you can’t just sit him because I don’t know if he’d have as much success against righties. I know we believe that. I think there are times where it’ll do him good to maybe give him a break against somebody he struggles with.

The notion that not playing regularly against lefties could hurt Ortiz against righties by making him less effective overall certainly isn’t crazy, but my guess is that the actual data doesn’t support Francona’s hypothesis. Plenty of players are extremely productive in platoon roles every season and left-handed hitters have built entire careers on their ability to mash right-handed pitchers while sitting against southpaws.

Ortiz could be different, I suppose, but Francona wouldn’t know that until he actually tries sitting him against lefties and in the meantime here are Ortiz’s recent numbers against lefties:

YEAR      AVG      OBP      SLG      OPS
2008     .221     .308     .433     .741
2009     .212     .298     .418     .716
2010     .222     .275     .324     .599

Combined during the past three seasons Ortiz hit .218 with a .291 on-base percentage and .383 slugging percentage off left-handers, which is good for a .674 OPS. To put that lack of production into some context, consider this list of players with a higher career OPS than .674: Aaron Miles, Angel Berroa, Miguel Cairo, Willie Harris, Endy Chavez, Jack Wilson, Luis Rivas, Yuniesky Betancourt, Timo Perez, Geoff Blum, Corey Patterson, Kaz Matsui.

You get the point.

Even if Francona’s theory is correct–and that’s hardly a guarantee–is it worth keeping Ortiz at his best against right-handers if it means filling the designated hitter spot with Aaron Miles-like production against left-handers?

Video: Jake Arrieta hits a 465-foot home run off of Zack Greinke

Jamie Squire/Getty Images
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Jake Arrieta‘s bat is in midseason form already. The Cubs’ ace swatted a solo home run to center field off of Zack Greinke in Thursday afternoon’s Grapefruit League exhibition game, his first homer of the spring.

The blast went 465 feet, according to MLB.com’s Daren Willman.

Arrieta has hit two home runs in each of the past two seasons. Madison Bumgarner (eight) and Noah Syndergaard (four) are the only other pitchers to match or exceed his output in that department.

Greinke, meanwhile, is hoping to bounce back after a miserable 2016 season. He finished with an uncharacteristic 4.37 ERA in 26 starts in his first year with the Diamondbacks.

Luis Valbuena to miss four to six weeks with a strained right hamstring

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Angels first baseman Luis Valbuena will miss the next four to six weeks with a strained right hamstring, Pedro Moura of the Los Angeles Times reports.

Valbuena, 31, signed a two-year, $15 million contract with the Angels in January and was on track to get the lion’s share of the playing time at first base. While he’s out, however, C.J. Cron will handle first base on a regular basis. When Valbeuna returns, the two will likely form a platoon.

Last year with the Astros, Valbuena hit a solid .260/.357/.459 with 13 home runs and 40 RBI in 342 plate appearances.