Baseball Operations, Research & Development Independent Project 2026
What did this pitcher actually do, outing by outing?
FanGraphs and Statcast tables, Stockyard pitch grades, splits, sequencing, movement plots, and heat maps.
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Player Development Miami Marlins, Dominican Summer League 2025
The hitting department could see development happening. Did the year-over-year numbers back up what the coaches were seeing on the field?
#1 of 25 organizations in hard-hit gain. 14 of 14 hitters improved in at least one pillar.
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Marlins DSL Returning Hitters: Org Improvement Rank, 2024 to 2025
Among 25 qualifying MLB organizations: number 1 in 95-plus exit velocity rate, number 2 in
chase rate, number 4 in in-zone contact, number 13 in strikeout rate (down 3.2), and number 14
in walk rate (down 0.2).
Marlins DSL Returning Hitters: Org Improvement Rank, 2024 → 2025
Vs. 25 qualifying MLB organizations · 252 returning DSL hitters
95+ EV% Chase% IZContact% K% BB% #1 #2 #4 #13 (−3.2) #14 (−0.2) Marlins DSL Returning Hitters: Org Improvement Rank, 2024 to 2025
Among 25 qualifying MLB organizations: number 1 in 95-plus exit velocity rate, number 2 in
chase rate, number 4 in in-zone contact, number 13 in strikeout rate (down 3.2), and number 14
in walk rate (down 0.2).
Marlins DSL Returning Hitters: Org Improvement Rank, 2024 → 2025 Vs. 25 qualifying MLB organizations 252 returning DSL hitters 95+ EV% Chase% IZContact% K% BB% #1 #2 #4 #13 (−3.2) #14 (−0.2)
Player Development Miami Marlins, Dominican Summer League 2025
How do you grade a development goal fairly when some goals are much harder than others?
Average goal difficulty 6.9 / 10. Graded A to F across three dimensions.
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Objective Difficulty vs. Outcome Grade
Illustrative scatter of individualized development goals for returning DSL hitters,
plotting goal difficulty from 1 to 10 against an outcome grade from A to F. The top-right
quadrant marks exceptional results on hard goals; the bottom-left marks weak results on
easy goals.
Objective Difficulty vs. Outcome Grade
Individualized development goals · returning DSL hitters · 2024 → 2025
Exceptional: hard goal, strong result Below target: easy goal, weak result A B C D F
Outcome grade
1 Difficulty (1 to 10) 10 Objective Difficulty vs. Outcome Grade
Illustrative scatter of individualized development goals for returning DSL hitters,
plotting goal difficulty from 1 to 10 against an outcome grade from A to F.
Objective Difficulty vs. Outcome Grade Individualized development goals Returning DSL hitters · 2024 → 2025 Exceptional: hard goal, strong result Below target: easy goal, weak result A B C D F 1 Difficulty (1 to 10) 10
