Friday, December 1, 2023
HomeBaseballHigh Rookie of the 12 months Candidates primarily based on Superior Analytics

High Rookie of the 12 months Candidates primarily based on Superior Analytics

With the promotion of Elly De La Cruz this week, the fantasy baseball world is understandably pumped for one more high rookie making a direct impression.  For the one or two of you on the market who haven’t been following Elly this week, he’s certainly making a direct impression, to the tune of .364/.462/.909 by way of Thursday video games and fully filling out the sheet with a 2B, 3B, HR, SB, and a pair of steaks.

Due to Elly, I watched 2 Reds video games this week – which is 2 greater than I’ve to this point this season.  I believe I’m not alone there.  My conclusion:  the Reds are going to be a enjoyable staff to observe this summer season…and I’m right here for it!

Now that so many rookies are in The Present and making significant contributions to their respective groups, the race for AL and NL Rookie of the 12 months (ROY) guarantees to be one price watching.  Talking of ROY voting, there’s no particular standards for choosing essentially the most deserving participant.  Some voters base their alternatives on particular person manufacturing (HRs, SBs, and so forth.), some decide primarily based on what their eyes inform them, whereas others dabble in our world of analytics (like, WAR).

There’s actually no proper or flawed method, though some are clearly higher than others.  As you could have guessed, I favor the data-driven ones and that’s going to be our matter to discover right this moment.

In the event you learn my weekly articles, you understand I’ve an inventory of favourite superior analytics to discover.  I’ll revisit lots of these right this moment as we glance particularly at this 12 months’s crop of rookies to see that are primed to take advantage of impression.  This one can be enjoyable and I’m prepared to leap proper in.

Batted Balls

Let’s begin with batted balls.  Going again to my Might 26 article, I Ain’t In No Droop, I Simply Ain’t Hitting, I shared batters who have been each overachieving and underperforming primarily based on their xBA-BA numbers.

As a reminder:

BA – H/AB.  Fairly easy.

xBA – Anticipated BA just isn’t fairly so easy.  xBA is a Statcast metric that measures the chance {that a} batted ball will develop into successful.  Every batted ball is assigned an xBA primarily based on how usually comparable balls, by way of exit velocity, launch angle and even dash pace (for “topped” or “weakly hit” balls).  Fortunate for us, this stat is available to us for all gamers.  We’ll make good use of that right this moment.

So, how do the rookies fare right here?

The Overachievers

We’ll begin with the gamers whose BA is at the moment outperforming their xBA.


The Underperformers

And now, let’s take a look at the gamers whose BA is underperforming their xBA.

Simply as we did within the Might 26th article, you’ll wish to additionally take a look at such metrics like Contact Fee (Ct%), Batting Eye (Eye), Floor Ball (GB), Line Drive (LD), Fly Ball (FB) and Batting Common on Balls in Play (BABIP) to get extra of a full image of those BA traits.  Once more, refer again to that article as a fast information.


Sticking with placing balls in play, we subsequent transfer to wRC+.  I wrote about this one on Might 5 in Blake’s Gone Fish’n For Carp’s wRC+.  In that one, I broke down this complicated calculation and talked a bit about Park Elements.  That’s method an excessive amount of info for right this moment’s article however I encourage you to return and skim up on this very helpful analytic.

As a brief reminder although, Weighted Runs Created Plus (wRC+) is a statistic which makes an attempt to credit score a hitter for the worth of every final result (single, double, and so forth.) quite than treating all hits or occasions on base equally, whereas additionally controlling for park results and the present run atmosphere.

wRC+ is scaled in order that league common is 100 every year and each level above or beneath 100 is the same as one proportion level higher or worse than league common. In concept, this makes wRC+ a greater illustration of offensive worth than AVE, RBI, OPS, or WOBA.

Listed here are the rookies with a present wRC+ > 100:


Switching to energy, particularly Remoted Energy (ISO), you’ll must go method again to February 25 for my preliminary ISO article, In Search Of…ISO, or learn the replace to it from April 21, Nonetheless In Search Of…ISO.  I do know, such unique titles, proper?

Anyway, it’s possible you’ll recall from these masterpieces that ISO is calculated one in all two methods:

  • ISO = (2B + 2 x 3B + 3 x HR) /ABs
  • ISO = Slugging % (SLG) – Batting Common (BA)

Right here is how we fee ISO:

So, which rookies have ISOs > .200, you ask?  I’ve that for you proper right here:

Extra Energy

Only a week in the past, I went on a journey seeking extra energy, Did You Say…Extra Energy.

Right here’s an excerpt from that Pulitzer-worthy piece, “I set out variations in Batted Ball knowledge – Exhausting% versus Delicate%.  Barrels all the time pull me in like a magnet, so I added these to my spreadsheet as properly.  EV?  Yep, have to sift by way of these too!  Add in a touch of HardHit% and I believe our recipe is all set.  Throw all of it within the Excel blender and let’s see what comes out.”

In abstract, I set some thresholds for the assorted analytics and checked out how the highest HR hitters have been rating amongst the leaders in every.  It produced some fascinating outcomes and I’d suggest a fast learn to see for your self.  I’ll do the identical quantity crunching for the rookies right here.

However first, I wish to present this graphic explaining what a barrel is.  That is by far the very best illustration of a barrel that I’ve discovered (thanks once more, @RotoClegg) and I like to make use of it any probability I can:

Now to the findings:

Exhausting% – Delicate%

  • 14 rookies have Exhausting% charges > 22% their Delicate%
  • Of the highest 15 ranked HR hitters, 46% have charges > 22%


  • 8 rookies have Barrel% > 12%
  • Of the highest 15 ranked HR hitters, solely 20% are > 12%


  • 4 rookies have EV > 92 mph
  • Of the highest 15 ranked HR hitters, solely 13% are > 92 mph

Max EV

  • 2 rookies have a max EV > 114 mph
  • Of the highest 15 ranked HR hitters, just one, or 7%, have a max EV > 114 mph


  • 7 rookies have HardHit% > 48%
  • Of the highest 15 ranked HR hitters, 13% are > 48%

The one factor that basically stands out right here, and is intuitive if you concentrate on it, these uncooked energy numbers mirror rookies (principally of their early 20s) who’re nonetheless rising.  If we continued to trace these, I’ve little doubt the numbers would transfer nearer to the MLB numbers mentioned final week.

Right here is the abstract chart:

Is Luke Raley the favourite for AL ROY then?  We have now yet another class to have a look at then we are able to ponder the larger questions.


SBO (Stolen Base Alternative)

To learn my unique piece on SBO, refer again to the February 18th article, My Title Is TLB And I’m An Analytholic.

Because the abbreviation implies, the SBO makes an attempt to quantify the chance a participant has to steal a base.  Since most SBs happen when a participant steals second base, it’s closely depending on how usually the hitter reaches first base.  SBO is calculated as:

SBO = (SB + CS)/(1B+BB)

A SBO of 20% (0.20) or extra is a standard threshold for figuring out gamers to focus on.  In the end, we would like gamers who not solely have the OPPORTUNITY but in addition a excessive EFFICIENCY for attaining SBs.  So, as an alternative of simply SBO or SB%, I’ll usually goal gamers who meet each of my thresholds.

10 rookies have SBO values better than 20%.  Keep in mind, that’s OPPORTUNITY.  What about outcomes?

Of the highest 11 rookie swipers (7 or extra SB), 64% have SBO values better than 20%.

Right here is the breakdown:


We coated plenty of floor right here from batted balls to energy and pace.  I can hear you on the market, “That’s nice and all, however what’s the backside line?”

To reply that query, I ranked all of the rookies in every of the classes we’ve coated right this moment, then summed the ranks throughout the board.  Lowest cumulative quantity (in ranks), wins.  Word: for xBA-BA, I gave weight to the underperformers, giving advantage of the doubt that their AVG will appropriate to the optimistic.

With that, listed below are the very first, fully subjective, official Analytics Nameless itemizing of high 3 ROY contenders for each the AL and NL (drum roll, please):



Earlier than I finish this, and since I like working with knowledge, I offer you one further desk with the respective ranks for these 6 ROY contenders:

Creator’s Word: Right here’s a real-time image of Gray seeing Jordan Walker make the highest 3 ROY contenders checklist.

Anyway, there you’ve gotten it…one other enjoyable journey by way of the world of baseball analytics.  As I all the time say, maintain sifting by way of the quantity and see the place it takes you.  Typically the conclusions are apparent and different occasions, not a lot.  It doesn’t matter what although, it’s all the time a enjoyable experience (a minimum of for me anyway).

Don’t neglect you’ll be able to observe me on Twitter: @Derek_Favret.

Till subsequent time, my associates!



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