Sunday, July 2, 2023

Simple ORA Top 10 thru July 1st - Acuna Back on Top

Atlanta's Acuna continues his bid for the first ever 40-homer, 70-steal season (and the first 40-60, and 30-60, and 40-50 seasons. And just the third ever 30-50 season, which he might have by August.)

He's also back on top in Simple ORA. In Friday's 16-4 shellacking of the Marlins, Acuna went 2-for-3 with a homer, 3 runs scored, and 2 RBI. By the simple estimate where a run scored is worth 5/9 of a Run, an RBI is worth 4/9 of a Run, and a home run is worth 1/12 of a Run, Acuna was worth an estimated 2.64 Runs against 2 Outs (a hitless at-bat and a caught stealing).

Here are the plays where Acuna created his Runs and Outs, and their actual values (based on the 2022 percentages):

Inn Batter Play       Runner Runs Outs
1st Acuna  Single     Acuna   .25
    Riley  Double     Acuna   .18
2nd Acuna  Groundout  Acuna       1.00
4th Acuna  CS         Acuna       1.00
6th Acuna  HBP        Acuna   .25
           Wild Pitch Acuna   .25
    Olson  Single     Acuna   .06
7th Acuna  Home Run   Harris  .75
                      Acuna  1.00

           Batting           2.25  .97
           Baserunning        .49 1.03
           Total             2.74 2.00

In other words, Acuna created .25 Runs (batting) when he led of the 1st with a single and .18 Runs (baserunning) when he scored on Austin Riley's double (Riley earned the other .57 of Acuna's first run). Acuna earned one Out for grounding out in the 2nd (.97 batting for hitting a groundball that wasn't a hit, .03 baserunning for being put out). In the 4th he walked and stole 2nd but was caught stealing 3rd, so he earns a baserunning Out for his troubles there.

In the 6th he was hit by a pitch (.25 batting), went to 2nd on a wild pitch (.25 baserunning), and later scored on Olson's two-out single (.06 baserunning; Olson earned the other .44 of Acuna's second run). And finally, Acuna's 7th-inning two-run homer earned him .75 Runs for driving in Michael Harris II from 1st and a full Run for his own circling of the bases. Total: 2.74 Runs (2.25 batting and .49 baserunning), slightly more than the simple formula estimated, and about a sixth of the Braves' 16 that game.

That same game, Matt Olson created an estimated 4.61 Runs on the strength of two home runs, 4 runs scored and 5 RBI. He now leads MLB in estimated Runs and is up to 3rd place in Simple ORA, right behind Ohtani.

Rk Player                Runs Outs  sORA
 1 Ronald Acuna Jr., ATL 67.4  236  7.71
 2 Shohei Ohtani, LAA    65.6  235  7.54
 3 Matt Olson, ATL       68.1  246  7.48
 4 Mookie Betts, LAD     62.3  234  7.19
 5 Adolis Garcia, TEX    64.9  244  7.18
 6 Freddie Freeman, LAD  61.3  233  7.10
 7 Corbin Carroll, ARI   54.3  210  6.98
 8 Will Smith, LAD       40.9  162  6.81
 9 Randy Arozarena, TBR  54.9  220  6.74
10 Yandy Diaz, TBR       48.9  196  6.73

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