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Matthew Collier - RotoBaller

46 articles

Matt Collier first played fantasy baseball in a 1990 American League West college friends league framed around Peter Golenbock's "How to Win at Rotisserie Baseball". Within a year as a fantasy sophomore and college junior he won a regional American League adults league and actual money. He continued to play regional leagues and national service contests for a few years before retiring to pursue a full-time career as a research scientitst and developer of arthritic hip and knee replacements. In the early 2010s, Matt gradually returned focus to baseball as a player analyst rather than fantasy player and soon developed the FaBIO (Fielding- and Ballpark-Independent Outcomes) pitcher evaluation system, which as of 2025 is applied to MLB, all affiliated MiLB leagues, NCAA D1 and D2, and select collegiate summer leagues. A companion model that evaluates batters has been developed and used since the truncated/lost 2020 season. As a player analysis expert Matt now uses the output from these pro and amateur evaluation models to advise a mix of agents, baseball players, coaches, and other organization or program staff besides fantasy baseball players.

Articles

Logan Webb - Fantasy Baseball Rankings, Starting Pitchers, Draft Sleepers

Reviewing Recent Cy Young Finalists (NL Edition) - Starting Pitcher Outlooks for 2024

The three 2023 NL Cy Young finalists were Blake Snell of the Padres, Logan Webb of the Giants, and Zac Gallen of the Diamondbacks. In 2022, Sandy Alcantara took home the trophy, while Max Fried and Julio Urias were the runners-up. In this article, I will break down the seasons of each finalist in the […]


Cody Morris - Fantasy Baseball Rankings, Draft Sleepers, MLB Prospects News

Top Starting Pitcher Prospects - Impact Fantasy Baseball Rookies for 2023 (AL Central)

The American League Central is the focus of the third installment of a six-part series focused on pitching fantasy baseball prospects who are better positioned from a developmental standpoint to contribute meaningfully in 2023 MLB games. Fundamentals will be quantified using my Fielding and Ballpark-Independent Outcomes (FaBIO) pitcher evaluation model. Let us begin with individual […]


fantasy baseball prospects MLB prospects rookies call-ups

Top Starting Pitcher Prospects - Impact Fantasy Baseball Rookies for 2023 (NL Central)

The National League Central is the focus of the fourth installment of a six-part series focused on pitching fantasy baseball prospects who are better positioned from a developmental standpoint to contribute meaningfully in 2023 MLB games. Fundamentals will be quantified using my Fielding- and Ballpark-Independent Outcomes (FaBIO) pitcher evaluation model. Let us begin with individual […]


Jared Shuster - Fantasy Baseball Rankings, Waiver Wire Pickups, MLB Fantasy News

Top Starting Pitcher Prospects - Impact Fantasy Baseball Rookies for 2023 (NL East)

The National League East is the focus of the second installment of a six-part series focused on pitching fantasy baseball prospects who are better positioned from a developmental standpoint to contribute meaningfully in 2023 MLB games. Fundamentals will be quantified using my Fielding- and Ballpark-Independent Outcomes (FaBIO) pitcher evaluation model. Let us begin with individual […]


Grayson Rodriguez fantasy baseball prospects rookies draft sleepers starting pitchers

Top Starting Pitcher Prospects - Impact Fantasy Baseball Rookies for 2023 (AL East)

The American League East is the focus of the first installment of a six-part series focused on pitching fantasy baseball prospects who are better positioned from a developmental standpoint to contribute meaningfully in 2023 MLB games. Fundamentals will be quantified using my Fielding- and Ballpark-Independent Outcomes (FaBIO) pitcher evaluation model. Let us begin with individual […]


Ryan Feltner - Fantasy Baseball Rankings, Draft Sleepers, MLB Injury News

MLB Pitcher Prospect Graduates - Sophomore Fantasy Baseball Outlooks (NL West)

In the sixth and final installment of a 6-part series focused on pitchers who exhausted rookie eligibility during the 2022 MLB season, I review how the pitching fundamentals of select National League West pitchers have evolved and use that information to forecast their MLB futures. Fundamentals will be quantified using my Fielding- and Ballpark-Independent Outcomes […]


Nick Lodolo - Fantasy Baseball Rankings, Draft Sleepers, Waiver Wire Pickups

MLB Pitcher Prospect Graduates - Sophomore Fantasy Baseball Outlooks (NL Central)

In the fifth installment of a 6-part series focused on pitchers who exhausted rookie eligibility during the '22 MLB season, I review how the pitching fundamentals of select National League Central pitchers have evolved and use that information to forecast their MLB futures. Fundamentals will be quantified using my Fielding- and Ballpark-Independent Outcomes (FaBIO) pitcher […]


Spencer Strider - Fantasy Baseball Rankings, Draft Sleepers, MLB Injury News

MLB Pitcher Prospect Graduates - Sophomore Fantasy Baseball Outlooks (NL East)

In the fourth installment of a six-part series focused on pitchers who exhausted rookie eligibility during the 2022 MLB season, I review how the pitching fundamentals of select 2023 National League East pitchers have evolved and use that information to forecast their MLB futures. Fundamentals will be quantified using my Fielding- and Ballpark-Independent Outcomes (FaBIO) […]


George Kirby - Fantasy Baseball Rankings, Draft Sleepers, Waiver Wire Pickups

MLB Pitcher Prospect Graduates - Sophomore Fantasy Baseball Outlooks (AL West)

In the third installment of a 6-part series focused on pitchers who exhausted rookie eligibility during the 2022 MLB season, I review how the pitching fundamentals of select American League West pitchers have evolved and use that information to forecast their MLB futures. Fundamentals will be quantified using my Fielding- and Ballpark-Independent Outcomes (FaBIO) pitcher […]


Jhoan Duran fantasy baseball rankings closers saves draft sleepers

MLB Pitcher Prospect Graduates - Sophomore Fantasy Baseball Outlooks (AL Central)

In the second installment of a six-part series focused on pitchers who exhausted rookie eligibility during the 2022 MLB season, I review how the pitching fundamentals of select 2023 American League Central pitchers have evolved over time and use that information to forecast their MLB futures. Fundamentals will be quantified using my Fielding- and Ballpark-Independent […]


Brayan Bello - Fantasy Baseball Rankings, Draft Sleepers, Waiver Wire Pickups

MLB Pitcher Prospect Graduates - Sophomore Fantasy Baseball Outlooks (AL East)

In the first installment of a 6-part series focused on pitchers who exhausted rookie eligibility during the '22 MLB season, I review how the pitching fundamentals of select '22 American League East pitchers have evolved over time and use that information to forecast their MLB futures. Fundamentals will be quantified using my Fielding- and Ballpark-Independent […]


Bobby Miller - Fantasy Baseball Rankings, MLB Prospects, Draft Sleepers

Bobby Miller: MLB Prospects Dynasty Pitcher Analysis for Fantasy Baseball

Welcome back RotoBallers to my deep dive on Bobby Miller. In this Dynasty Pitcher Fantasy Baseball Prospects series, I will focus on key pitching fundamentals as quantified by my FaBIO (Fielding and Ballpark Independent Outcomes) evaluation system (my RotoBaller debut article more fully explains the FaBIO methodology). Every plate appearance is sorted into one of […]


fantasy baseball prospects MLB prospects rookies call-ups

Jack Leiter: MLB Prospects Dynasty Pitcher Analysis for Fantasy Baseball

Welcome back RotoBallers to my deep dive on Jack Leiter. In this Dynasty Pitcher Fantasy Baseball Prospects series, I will focus on key pitching fundamentals as quantified by my FaBIO (Fielding and Ballpark Independent Outcomes) evaluation system (my RotoBaller debut article more fully explains the FaBIO methodology). Every plate appearance is sorted into one of […]


nathan eovaldi fantasy baseball rankings pitchers draft sleepers MLB injury news

FaBIO Analysis: Spring Training Starting Pitcher Fundamentals

My Rotoballer debut article more fully explains the FaBIO methodology. Every plate appearance is sorted into one of 12 event type bins (BB+HBP, K, IFFB, Pull OFFB, Center OFFB, Oppo OFFB, Pull LD, Center LD, Oppo LD, Pull GB, Center GB, Oppo GB) and the pitcher is charged with league's average runs value for that […]


Reid Detmers - Fantasy Baseball Rankings, Draft Sleepers, MLB Injury News

FaBIO Analysis: Flyballer Starting Pitcher Prospects, Left-Handed Edition

In the opener of this pitcher prospect twinbill we introduced FaBIO and presented data from its application to flyballer righthanded starting pitcher prospects. Now let's do the same for flyballer lefthanded starting pitcher prospects. I'll keep the summary of FaBIO short here as the prior RHSP article more fully explains the FaBIO methodology. Every plate […]


Joe Ryan - Fantasy Baseball Rankings, MLB DFS Picks, Betting Picks

FaBIO Analysis: Flyballer Starting Pitcher Prospects, Right-Handed Edition

I developed the Fielding- and Ballpark-Independent Outcomes (FaBIO) pitcher evaluation system circa 2013 as a tool for quantifying non-batted-ball and batted-ball fundamentals of individual pro pitchers versus batters of both and either handedness type. Since the model was first applied to affiliated 2013 MiLB play, its reach has been extended to MLB, NCAA Division 1, […]


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