
Jay Jaffe: The Architect of Modern Baseball Analysis
A Brooklyn‑based writer whose metrics, books, and media presence have redefined baseball analysis over two decades.
Latest Slidescroller coverage mentioning FanGraphs across Baseball.

A Brooklyn‑based writer whose metrics, books, and media presence have redefined baseball analysis over two decades.

The Los Angeles Dodgers acquired Tarik Skubal, the reigning American League Cy Young Award winner, in a deal that sent three prospects to Detroit, sparking fan outrage and highlighting a league‑wide tension between financial caution and championship ambition.

The latest starter roundup highlights Quinn Mathews’ MLB debut, key veteran performances, and the fantasy implications of a pitching landscape in flux.

As the MLB trade deadline looms, the New York Mets and Detroit Tigers face pivotal decisions on their pitching staff, with several pending free agents on the market and managerial changes stirring fan reaction.

An in‑depth look at the 12 MLB players and prospects whose fantasy values are shifting, with trade recommendations and buy‑low targets for dynasty leagues.

A data‑driven look at how scouting rankings translate into auction earnings over seven seasons, revealing stark differences between pitcher and hitter prospect groups.
The Milwaukee Brewers combine a strong early‑season record with a top‑ranked farm system, targeting pitching upgrades and third‑base reinforcement ahead of the trade deadline.

The Boston Red Sox head to Los Angeles for a three‑game showdown with the Dodgers, a team riding the best record in baseball. While the series is not a definitive predictor, it offers a vivid preview of October‑time intensity and a chance for key players to shine.

The Philadelphia Phillies are evaluating trade options to fill gaps in pitching, shortstop, outfield and catching, while weighing the value of top prospects like Gage Wood and Ramon Marquez.

The latest wave of roster moves in NFBC Elite brings breakout performances from several hitters and arms, reshaping matchup strategies.

Key relievers are shifting roles, and front offices are weighing moves that could reshape the late‑inning landscape before the deadline.

A deep dive into the 'replacement‑level killer' phenomenon at catcher, highlighting underperforming backstops across the playoff picture and the players who could provide the needed spark.

An overview of the most impactful waiver‑wire pickups in Week 17, highlighting power‑hitting breakouts, dominant two‑start pitchers, and the players whose recent performances are reshaping fantasy baseball strategies across NFBC, Online, and Fantrax.

An analysis of FanGraphs' annual Trade Value Series shows strong overlap between expert and crowd rankings, while contract considerations shape divergent views on several marquee players.

FanGraphs' annual Trade Value Series ranks the 50 most valuable players in baseball, blending personal insight with staff feedback and a crowdsourced reader tool. The resulting rankings show a striking overlap in the top ten, especially with Shohei Ohtani and Bobby Witt Jr. at the summit, while the middle of the list remains ambiguous. The author and the crowd largely agree on the most important tier, though individual placements diverge for several mid‑range players.

An analysis of how wOBA and xwOBA separate skill from luck, highlighting the standout overperformers and underperformers before the mid‑season break.

A daring draft strategy that eschewed batting average and steals set the stage for a dramatic comeback, highlighted by a clutch steal from Esteury Ruiz.

Spencer Steer, Cody Bellinger and Kerry Carpenter are among the latest stars placed on the IL, prompting roster moves and new opportunities for players like Marcus Semien and Grant McCray. Meanwhile, streaming pitchers Landen Roupp and Shane Drohan offer daily fantasy options.

An in‑depth look at a season where 24 of 30 teams vie for postseason spots, high‑spending franchises stumble, and the push for a salary cap faces both fan and player resistance.

The latest analysis highlights pitching breakouts, power‑speed threats and late‑season risers poised to dominate fantasy lineups.

Analysts compare ERA and SIERA to identify over‑ and under‑performers among starting pitchers, highlighting key metrics and player-specific storylines as the season reaches its midpoint.

In a dramatic final round broadcast exclusively on Netflix, Jordan Walker overcame boos and early career setbacks to win the 2026 Home Run Derby, sealing the victory with a clutch swing that earned him a million‑dollar payday.

A new framework leverages median projected ERA and standard deviation to place relievers into five clear tiers, delivering weekly updates that align closely with expert intuition and major baseball analytics platforms.

From CJ Abrams' power surge to Christian Encarnacion‑Strand's early impact, this week’s most coveted additions shape the NFBC and Fantrax landscapes, while market dynamics reveal shifting bid values and strategic moves.