Mookie Betts Is a Shortstop

Jonathan Hui-USA TODAY Sports

On Thursday, the internet dealt with countless cases of “Is that really who I think it is?” as Twitter removed verification checkmarks for unpaid users. Yet when baseball fans did a double-take, it wasn’t because of a spam account that looked suspiciously like Jeff Passan or Ken Rosenthal. Instead, it was because of a shortstop who looked suspiciously like Mookie Betts.

Dodgers manager Dave Roberts teased fans earlier this week, revealing that Betts could play shortstop on Wednesday. Instead, it was Luke Williams who took to the field at game time. Fans got their hopes up for Betts the following day, but once again, it was Williams on the lineup card. Indeed, it wasn’t until the seventh inning of yesterday’s ballgame that Roberts finally made good on his word; he pinch-hit for Williams with Betts, and Betts would stay in the game at shortstop. Williams may have earned the nickname Captain America for his performance with the US Olympic baseball team, but Betts was the superhero – or should I say super-utility player – everyone wanted to see.

Like the hero he is, Betts raced to the ballpark on Thursday to help his team. He had spent the two days prior on the paternity list and was forced to make his own way to Wrigley Field. A timely weather delay (perhaps the work of his teammate Thor) pushed the game back by an hour, allowing Betts to arrive just in time. A little later, and his shortstop debut might have had to wait.

At long last, Betts entered the game with the score tied at two. He knocked a base hit in the seventh, turned an impressive defensive play in the eighth, and made a productive out to advance the winning run to third base in the ninth. The Dodgers would ultimately win on a grand slam by rookie James Outman, but Betts was the star of the show.

It’s easy to understand why this moment was so thrilling. It’s not so often that a 10-year major league veteran plays shortstop for the first time after 1,130 career games. It’s even less common when that player is primarily an outfielder (Betts does have 263 big league innings at second base). When he’s also a six-time All-Star and former MVP? It’s appointment viewing. In the last 20 years, only 24 qualified hitters over the age of 30 have played the outfield and shortstop in the same season. Only three played the outfield in the majority of their games: Jermaine Dye in 2005, Chris Taylor in 2021, and Betts thus far in 2023. Dye played short for a third of an inning in 2005. He had never played the position before, nor would he ever play it again. Taylor, whose oblique injury paved the way for Betts to play shortstop, was primarily a shortstop when he came up with the Mariners, but he’s been a super-utility player since 2017. Dye was never really a shortstop. Taylor has always been a shortstop. And neither is the same caliber of player as Mookie Betts.

So how did Betts actually perform at his new position? He only had one ball hit in his direction, giving us little data for evaluation. At the same time, that one ball turned into a highlight-reel play, so it’s tempting to christen Betts the next great Dodgers shortstop. (Side note: How many other teams could lose Trea Turner and Gavin Lux in the span of six months and still have an MVP playing shortstop? That’s the Dodgers for you.) In the bottom of the eighth, Patrick Wisdom chopped a high-bouncing grounder up the middle. Betts came running in, and in one fluid motion, he grabbed the ball, stepped on second, and made the throw in time to nail Wisdom at first:

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Wisdom wasn’t exactly barreling down the line, but it was still a challenging play. Miguel Vargas misread the situation and found himself too far from second to help Betts turn two. Without skipping a beat, Betts ran to the base himself. His momentum forced him to take a leap so as to avoid crashing into a sliding Cody Bellinger, and his throw from mid-air still managed to beat Wisdom to the first base bag. The superhero comparison is apt indeed.

As spectacular as this was, it wasn’t a normal play; even as far as tricky plays go, it was unusual. In other words, it doesn’t reveal much about Betts’ day-to-day shortstop capabilities. We won’t know how well he can handle the position until we get a better sense of his instincts and his range on a variety of balls in play. It’s nice to see that his phenomenal athleticism can translate to the infield, but then again, we already knew it would from his experience at second base:

Betts didn’t make another play at short yesterday, but he was tangentially involved on a groundball to third base. It was a bullet off the bat from Nico Hoerner, and Betts did his job by moving to cover Max Muncy at third:

From this extra bit of evidence, I’d argue Betts needs to work on his instincts at short. His jump toward third was delayed, and he also pulled up a bit too soon. The ball was in Muncy’s glove by the time Betts landed a step in the right direction. At the same time, the novice shortstop slowed down before his teammate had complete control of the ball. I’m aware I’m nitpicking here, but an excellent shortstop would have reacted a split second sooner and taken another step or two toward third base.

All fault-finding aside, Betts doesn’t actually need to be an excellent defensive shortstop. He doesn’t even need to be good. As fun as it would be to watch him master a new position, that’s not what the Dodgers are asking him to do. Instead, they just need him to be good enough that he’s a better option than Luke Williams and his .237/.295/.310 career slashline. With no disrespect to Williams, that shouldn’t be a difficult task. Betts has a bat that can play at any position, and based on his limited experience at second base, we know he won’t be a disaster in the infield:

Last season, I wrote about why Betts would have been my choice for NL MVP. My argument was that he did absolutely everything well; there wasn’t a single hole in his game, whether it be at the plate, in the field, or on the bases. This year, that might not be the case. If Betts continues to play short while Miguel Rojas is injured, his defensive stats, and therefore his overall WAR, will likely suffer. Even so, Betts continues to prove why he’s one of the most valuable players in baseball. No matter how he performs at shortstop, he’ll be doing his part to help his team win ballgames. As an added bonus, he’s making the game more fun for everyone watching, too.





Leo has written for FanGraphs, MLB Trade Rumors, Baseball Prospectus, and Lindy’s Sports. You can follow him on Bluesky @leomorgenstern.bsky.social.

39 Comments
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lavarnway
3 years ago

This fascinates me. It’s interesting that he was never seen as good enough to play SS as a prospect. I know teams have progressed in the last 10 years and tend to be more aggressive in defensive assignments, so that might be different if he was a prospect now.

Ivan_GrushenkoMember since 2016
3 years ago
Reply to  lavarnway

By doing that BABIP should have risen but hasn’t, partly due to shift and partly due to more fly balls. SS and CF could be closer in value than Lichtman or Tango concluded all those years ago.

lavarnway
3 years ago
Reply to  Ivan_Grushenko

More strikeouts now too so fewer balls in play. 100 years ago you couldn’t afford to have a bad defender out there because pitchers were only averaging a couple strikeouts per 9.

darren
3 years ago
Reply to  lavarnway

One of the reasons he was moved off SS was his arm, which has somehow gotten much stronger. I don’t know how he did that, but he now has a good arm in RF.

mikejuntMember
3 years ago
Reply to  darren

In a way its similar to how Cody Bellinger spent his entire life as a first baseman despite just actually being capable of gold-glove level center field that no one bothered to find out about until he’d already won a rookie of the year award? Some weird stuff man

lavarnway
3 years ago
Reply to  mikejunt

Yeah haha. Do you think that might have been because of how good his bat was? He was a slugger so they treated him like a slugger.

darren
3 years ago
Reply to  mikejunt

That’s an interesting comparison but I think there’s one major difference: Betts initially played SS in the minors and was shifted to second. They got to see him making throws in the infield and decided that he belonged at 2B, and if I recall correctly, his arm was not considered very good there. Then they moved him to center and then to right, and then, boom! All of a sudden, he’s throwing out guys in the World Series.

lavarnway
3 years ago
Reply to  darren

Yeah good point. He was pretty error-prone as an infielder. We’ll see how steady he is with more innings logged.

dangledangleMember since 2024
3 years ago

Sox fan every article about how great he is makes me want to cry lol

SæderMember since 2024
3 years ago
Reply to  dangledangle

Yankee fan. I’m here for all articles that make Sox fans cry 🤣

Last edited 3 years ago by Sæder
darren
3 years ago

I don’t get the upside of this. At all. Mookie the right fielder has six gold gloves and the numbers to back them up. He’s one of the most valuable players in the game and the Dodgers have invested $300-something million in his future. Playing him out of position in the path of barreling baserunners seems, well, nutso.

si.or.noMember since 2017
3 years ago
Reply to  darren

I don’t know if the money-invested argument holds. There are plenty of $300M+ shortstops out there.

If you have a freak athlete on your team, might as well maximize their value.

darren
3 years ago
Reply to  si.or.no

It’s not that a SS cannot be worth that contract. It’s that moving a $300 million OF to SS puts him in harm’s way for very little possible benefit.

HappyFunBallMember since 2019
3 years ago
Reply to  darren

This is the Dodgers. Wins are more important than dollars, to a point at least. Right now their 4th OF is better than their non-Mookie SS options.

darren
3 years ago
Reply to  HappyFunBall

How many wins are you gaining vs. how many wins are you risking?

NobleHelium
3 years ago
Reply to  darren

Do you have data that says shortshops get injured more than right fielders?

darren
3 years ago
Reply to  NobleHelium

I don’t. I’m not sure such a thing could be convincingly shown with data. I think you’d have to use your best judgement. In that case, I’d err on the side of caution, protecting my generational talent and leaving him in a position where he’s won six gold gloves.

Do you have the data that shows the wins they will be gaining by playing him at SS? That seems like something that would be easier to measure. The tricky part, I think, would be estimating his defensive value at SS, where he hasn’t played in the Majors before. All we have is his time a 2B, which is extremely limited. From 2020-2022, UZR has him as -4.3/150 in 100 innings, compared to +12.8/150 in 2,344 innings in RF. The positive side is that it allows you to replace Luke Williams’ bat (ROS 72 wRC+ per FGDC) with either Trayce Thompson (109 wRC+) or Jason Heyward (100). Is downgrading from mediocre SS defense to likely very bad and downgrading from great RF defense to mediocre worth it? It sounds like it’s about a wash.

carterMember since 2020
3 years ago
Reply to  darren

It feels to me that OF would be more dangerous with a fast twitch guy because of having to go from standing still to a sprint more frequently, and the wall(s)

68FCMember since 2020
3 years ago
Reply to  darren

It’s important to remember that Luke Williams isn’t a shortstop either. He has played very sparingly there in the minors and when he did get regular time, it was usually at 3B. There might not be much of a drop off from Williams to Betts defensively. We don’t have a big enough sample size to say anything about Williams or Betts’ infield defense statistically.

We do have a big enough sample size to say that Heyward’s defense in RF is similar to Betts. Over that 2020-2022 range, Heyward’s UZR in RF over 1,354 innings is 11.5/150.

It’s likely that the gap between Betts and Williams defensively at short is smaller than the gap between Heyward and Williams offensively, otherwise the Dodgers wouldn’t be considering this. Of course Taylor and Rojas being healthy enough to play short regularly makes the whole debate moot.

Lanidrac
3 years ago
Reply to  darren

Wins you gain out of hand are a lot more valuable than wins you only have a slightly higher chance than usual of losing to a theoretical future injury..

darren
3 years ago
Reply to  Lanidrac

How many out of hand wins, though? If you’re going to call future injuries theoretical, show me the cold hard numbers that prove the out of hand wins.

Lanidrac
3 years ago
Reply to  darren

That’s simple. It’s the amount of extra WAR their 4th OF is worth compared to their backup SS minus the amount of Defensive WAR Betts loses from playing SS instead of RF, all prorated over the amount of time Turner and Lux will miss. Even with Betts’s defensive value drop, that’s not an insignificant amount they overall gain by playing the outfielder over the shortstop.

Smiling PolitelyMember since 2018
3 years ago
Reply to  darren

The upside is that he’s potentially the best SS on the team, and they have above replacement level OF options, but not really middle infielders. I don’t love it as I worry about it draining health, bat, etc., but if he could, my goodness…

darren
3 years ago

I think we’re pretty close on this. It will be amazingly cool if he can do it, but I wouldn’t try it.

idliaminMember since 2024
3 years ago
Reply to  darren

FWIW, I think Mookie has said that playing 2B would HELP him physically (SS is obviously a bit different, but some of the logic should still apply, and it’s temporary).

SæderMember since 2024
3 years ago
Reply to  darren

https://www.si.com/mlb/dodgers/news/dodgers-news-dave-roberts-lays-out-concrete-plan-for-mookie-betts-in-the-infield-ns2002

Found that article. Looks like the Dodgers just wanna keep their $300M+ star happy. He’s asked to play 2B just to keep the long year interesting, and so they’ll grant him games there.

Saying no just because is probably a bigger risk — gotta keep the franchise players happy. Plus, it’s not like he’d be bad out there. Also, he’s got teammates like Muncy and Taylor that get to play all over the place, so why not Betts too?

All just guesses. I have no clue. But it’s interesting to follow

darren
3 years ago
Reply to  Sæder

I am all for keeping him happy and treating players well. But, you know, that’s what the $300 million is for. 🙂

More seriously, as happy as it might make him, I wouldn’t even want him playing 2B.

carterMember since 2020
3 years ago
Reply to  Sæder

Mookie has gone on record multiple times saying he thinks physically playing in the infield is less risk to his body. Assuming he can play it competently, why not? Again, they have outfielders, and they have other infielders who can play the outfield. Betts is their best player, why not keep him happy in a place that he feels safer? Feeling safer is half the battle, right?

connjc
3 years ago
Reply to  darren

The upside is maybe he is good at it. But I think this is more of product of the Dodgers losing 3 shortstops to injury and they feel better about moving him to SS and using their OF depth than bringing up the next SS they have in AAA. I doubt they ever thought they would get to a point where they were playing him there.

connjc
3 years ago
Reply to  connjc

Also, just going on my memory, I know of a lot more guys who have gotten hurt running into walls than have gotten hurt in a play a second. I’m not sure risk of injury is really much different and maybe more for a right fielder.

Cool Lester SmoothMember since 2020
3 years ago

I wouldn’t necessarily call his experience at 2B “limited.”

He was viewed as a plus defender there throughout his minor league career.

lavarnway
3 years ago

Yeah he hasn’t played there full time in 10 years though

MikeSMember since 2020
3 years ago

I had to look up the Jermaine Dye story. Joe Crede got his one and only start for his career at short that day, April 27, 2005. With 2 outs and 2 on in a 1 – 1 tie in the ninth he was hit by a pitch, but the umpire ruled he didn’t try to get out of the way. He popped up to end the inning and got into an argument, getting ejected. So Dye came in from RF play SS. It was only a third of an inning because the A’s won on a walkoff with one out.

MikeSMember since 2020
3 years ago

Juan Uribe was their main SS that year. He didn’t play from 4/27 – 5/2 so either he was injured or on family leave. Why they didn’t use Willie Harris or Pablo Ozuna (not great SS, but seemingly better options than Dye) I can’t say.

steex
3 years ago
Reply to  MikeS

As I recall, Ozuna was feeling the effects of HBPs on both 4/25 and 4/26, so had been deemed unavailable that day.

Lanidrac
3 years ago

This may not be the place to revisit last year’s MVP discussion, but do you know who else in the NL played well at the plate, on the field, and on the bases last year? MVP Paul Goldschmidt.

Last edited 3 years ago by Lanidrac
darren
3 years ago
Reply to  Lanidrac

I’d vote for Goldschmidt but Morgenstern’s article about Mookie’s candidacy was really interesting and well argued.

tdouglas
3 years ago
Reply to  Lanidrac

There’s some quibbling with the defense component. He had the worst DEF rating of his career, mostly because of OAA hating his 2022. DRS and UZR thought he was solid, but 2022 was the first time the rating systems didn’t agree about Paul, other than 2018.