Prospect Talk with Eric Longenhagen of FanGraphs
Digest
This podcast episode features Eric Long from FanGraphs, discussing the evolving landscape of baseball prospect evaluation. The conversation begins with a discussion of social media's impact and the challenges of ranking prospects due to changes in rookie roster rules and the increased use of advanced data. The episode delves into a detailed analysis of several prospects, including Emmanuel Rodriguez (comparing him to Trent Grisham), Zaire Hope (emphasizing sample size considerations), and Mod A (highlighting the importance of position and potential draft position). Key advanced statistics like in-zone contact rate, chase rate, and exit velocity are discussed, along with the importance of differentiating between innate and improvable skills in hitters. The podcast also touches upon the Chicago White Sox rebuild and their player development system, and concludes with Eric sharing his "picks to click"—prospects he believes have high potential for future success. The discussion emphasizes the need for a holistic approach to prospect evaluation, integrating both advanced statistics and traditional scouting reports.
Outlines

Introduction & Prospect Evaluation Challenges
The episode introduces Eric Long and discusses the impact of social media and the challenges in ranking prospects due to changes in rookie eligibility rules and the increased use of advanced data in scouting.

Prospect Analyses & Advanced Statistics
Detailed analyses of Emmanuel Rodriguez, Zaire Hope, and Mod A are presented, highlighting the importance of advanced metrics (in-zone contact, chase rate, exit velocity), sample size considerations, and the balance between innate and improvable skills. The discussion also includes Eric's "picks to click" for future top prospects.

White Sox Rebuild & Player Development
The podcast discusses the Chicago White Sox rebuild, their player development system, and the varying approaches to player development across different MLB organizations.
Keywords
Advanced Baseball Statistics
Metrics beyond traditional stats (e.g., batting average) like exit velocity, launch angle, chase rate, and in-zone contact rate, used to evaluate player performance and potential.
Prospect Evaluation
Assessing the potential of minor league baseball players to succeed at the major league level, analyzing skills, tools, and performance data.
Player Development
The systematic process by which baseball organizations improve players' skills and physical capabilities.
Rookie Eligibility Rules
MLB rules determining a player's rookie status, impacting their eligibility for awards and service time calculations.
In-Zone Contact Rate
The percentage of pitches within the strike zone that a hitter makes contact with.
Exit Velocity (EV)
The speed at which a batted ball leaves the bat.
Chase Rate
The percentage of pitches outside the strike zone that a hitter swings at.
Bat Path
The trajectory of a hitter's bat during their swing.
Minnesota Twins Prospects
Analysis of prospects within the Minnesota Twins organization.
Chicago White Sox Prospects
Analysis of prospects within the Chicago White Sox organization.
Q&A
What are some of the biggest challenges in compiling a top 100 prospect list in the current baseball landscape?
Changes to rookie eligibility rules and the increased sophistication of data analysis make it harder to accurately assess player potential.
How do you weigh advanced statistics against traditional scouting reports when evaluating prospects?
Advanced stats provide objective data, while scouting reports offer insights into tools, work ethic, and intangibles. A holistic approach is crucial.
What are some key advanced statistics you find most valuable in evaluating hitters?
In-zone contact rate, overall contact rate, chase rate, and various exit velocity metrics are crucial.
How do different MLB organizations approach player development, and how does that impact your evaluation of prospects?
Organizations vary widely in philosophies and resources; this impacts prospect evaluation as the potential for improvement varies.
What are some of your favorite "picks to click" for 2025, and why?
Several prospects are highlighted, categorized by their strengths and potential for improvement.
Show Notes
Eno and DVR are joined by Eric Longenhagen of FanGraphs to discuss a thinning of the minor league cupboard in recent years, minor league data that is moving the needle, a few rapidly rising prospects -- Zyhir Hope and Jesus Made -- and some of Eric's favorite 'Picks to Click' on future Top-100 lists.
Rundown
3:19 What Has Left the Minor League Cupboard Thinner Than Usual?
8:41 What Newly Available Minor League Data Moves the Needle?
16:04 Things That Are Innate v. Things That Are Learned
22:30 Eric's Cautious Assessment of Zyhir Hope
31:46 Jesus Made's Helium After an Impressive DSL Debut
37:48 Eric's Picks to Click: Looking for Future Top-100 Prospects
45:31 Is the White Sox's Rebuilding Effort on Track?
54:20 Making Sense of the Pirates' Hitting Development
Follow Eno on Bluesky: @enosarris.bsky.social
Follow DVR on Bluesky: @dvr.bsky.social
e-mail: ratesandbarrels@gmail.com
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Hosts: Derek VanRiper & Eno Sarris
With: Eric Longenhagen
Producer: Brian Smith
Executive Producer: Derek VanRiper
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