https://github.com/pddiii/second-half-stars
Discussing MLB's second half of 2024 top players
https://github.com/pddiii/second-half-stars
Last synced: 3 months ago
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Discussing MLB's second half of 2024 top players
- Host: GitHub
- URL: https://github.com/pddiii/second-half-stars
- Owner: pddiii
- Created: 2024-09-16T16:25:42.000Z (8 months ago)
- Default Branch: main
- Last Pushed: 2024-09-16T17:37:41.000Z (8 months ago)
- Last Synced: 2025-01-04T06:14:12.452Z (5 months ago)
- Language: Jupyter Notebook
- Size: 2.46 MB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# Second-Half-Stars
Discussing MLB's second half of 2024 top players.
## Data Source
All statistical data was sourced from FanGraphs utilizing their custom reports.
## Data Cleaning
[Click Here to view the Data Cleaning Process](cleaning.ipynb)
## Decision Process
I split the 2024 MLB Season into two halfs:
- June 27th and before
- June 28th through Sep 15th
I utilized the variables below. I percentile ranked the batters, and pitchers separately using their respective variables. Then I looked at the average differences (2nd half - 1st half) of these percentiles, and ranked them in descending order (because a percentile closer to 1 is better than closer to 0)
## Variables
### Batters
| Variable | Description |
|----------|---------------------------|
| Def | Defensive value (Fangraphs)|
| Off | Offensive value (Fangraphs)|
| wRC+ | Weighted Runs Created Plus |
| BB%+ | Walk percentage plus |
| OBP+ | On-base percentage plus |
| SLG+ | Slugging percentage plus |
| ISO+ | Isolated power plus |
| WPA | Win Probability Added |
| Clutch | Clutch performance |
| WAR | Wins Above Replacement (Fangraphs)|
| K%+ | Strikeout percentage plus |
### Pitchers
| Variable | Description |
|----------|-------------------------------------|
| K/BB+ | Strikeout-to-walk ratio plus |
| WPA | Win Probability Added |
| WAR | Wins Above Replacement |
| Clutch | Clutch performance |
| ERA- | Earned Run Average minus |
| FIP- | Fielding Independent Pitching minus |
| AVG+ | Batting average plus |
| WHIP+ | Walks plus Hits per Inning Pitched plus |
| HR/9+ | Home runs allowed per nine innings plus |
## Results
### Pitchers Results
| Name | Average Percentile Difference | Average Percentile (1st Half) | Average Percentile (2nd Half) |
|-----------------|-------------------------------|-------------------------------|-------------------------------|
| Bryce Miller | +52 Percentiles | 36th Percentile | 88th Percentile |
| Hunter Brown | +50 Percentiles | 24th Percentile | 74th Percentile |
| JP Sears | +47 Percentiles | 17th Percentile | 64th Percentile |
| Framber Valdez | +46 Percentiles | 41st Percentile | 87th Percentile |
| Pablo López | +41 Percentiles | 32nd Percentile | 73rd Percentile |
| Zach Eflin | +35 Percentiles | 39th Percentile | 75th Percentile |
| Bailey Ober | +35 Percentiles | 38th Percentile | 73rd Percentile |
| Michael King | +34 Percentiles | 44th Percentile | 78th Percentile |
| Jose Quintana | +29 Percentiles | 20th Percentile | 50th Percentile |
| Austin Gomber | +21 Percentiles | 26th Percentile | 47th Percentile |
### Batters Results
| Name | Average Percentile Difference | Average Percentile (1st Half) | Average Percentile (2nd Half) |
|-----------------|-------------------------------|-------------------------------|-------------------------------|
| Eugenio Suárez| +54 Percentiles| 21st Percentile | 75th Percentile |
| Corbin Carroll| +43 Percentiles| 38th Percentile | 81st Percentile |
| Jorge Soler| +39 Percentiles | 25th Percentile | 64th Percentile |
| Manny Machado| +39 Percentiles | 33rd Percentile | 72nd Percentile |
| Colt Keith| +32 Percentiles | 22nd Percentile | 54th Percentile |
| Brenton Doyle| +30 Percentiles | 36th Percentile | 66th Percentile |
| Oneil Cruz| +30 Percentiles | 35th Percentile | 65th Percentile |
| Luis García Jr.| +30 Percentiles | 40th Percentile | 70th Percentile |
| Yainer Diaz| +30 Percentiles | 35th Percentile | 64th Percentile |
| Gleyber Torres| +28 Percentiles | 26th Percentile | 54th Percentile |