
Succeeded David Stearns atop Milwaukee's baseball operations and has kept the small-market Brewers a perennial NL Central contender.
6 seasons with salary-era data across 1 stint. All figures are franchise-level outcomes during the tenure, not solely attributable to one executive.
| Team | Role | Years | Szns | WAB | WAB/yr | TAB | WAR surp | HG | Trade | FA | R5 | AcqLev | W-L% | PO | Pen | WS | Surp $M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▸ |
GM | 2021–present | 6 | +82.7 | +13.79 | +63.5 | +60.2 | +47.8 | +22.3 | -10.2 | +2.5 | 4.20 | 0.577 | 4 | – | – | +261 |
| Career total (1985+ data) | 6 | +82.7 | +63.5 | +60.2 | +47.8 | +22.3 | -10.2 | +2.5 | 4.20 | 0.577 | 4 | – | – | +261 | |||
Acquired minus surrendered / signed minus walked.
Every roster slot ranked best→worst by WAR, averaged across Matt Arnold's seasons. Bars = his rosters; the black line = the league-average player at each slot. Staying above the line deep into the roster is the depth edge.
| Player | Pos | Team | How | Year | Szns | fWAR | WAR/yr | Lev |
|---|---|---|---|---|---|---|---|---|
| William Contreras | C | Trade | 2022 | 4 | +16.6 | +4.1 | 8.6 | |
| Willy Adames | SS | Trade | 2021 | 4 | +15.9 | +4.0 | 19.0 | |
| Brice Turang | 2B | Draft | 2023 | 3 | +10.5 | +3.5 | – | |
| Jackson Chourio | OF | Draft | 2024 | 3 | +8.7 | +2.9 | – | |
| Sal Frelick | OF | Draft | 2023 | 3 | +6.0 | +2.0 | – | |
| Jacob Misiorowski | P | Draft | 2025 | 2 | +5.9 | +2.9 | – | |
| Joey Ortiz | 3B/SS | Trade | 2024 | 3 | +5.8 | +1.9 | 11.6 | |
| Garrett Mitchell | OF | Draft | 2022 | 5 | +5.5 | +1.1 | – | |
| Trevor Megill | P | Trade | 2023 | 4 | +5.2 | +1.3 | 1.6 | |
| Kolten Wong | 2B | Free agency | 2021 | 2 | +4.9 | +2.5 | 15.4 | |
| Chad Patrick | P | Trade | 2023 | 2 | +3.6 | +1.8 | – | |
| Abner Uribe | P | Draft | 2023 | 3 | +3.1 | +1.0 | – | |
| Andrew Vaughn | 1B/OF | Trade | 2025 | 2 | +3.0 | +1.5 | 12.4 | |
| Víctor Caratini | C | Trade | 2022 | 2 | +2.6 | +1.3 | 6.2 | |
| Caleb Durbin | 3B | Trade | 2024 | 1 | +2.6 | +2.6 | – | |
| Jake Bauers | 1B/OF | Free agency | 2025 | 3 | +2.5 | +0.8 | 0.3 | |
| Tobias Myers | P | Rule 5 | 2024 | 2 | +2.5 | +1.3 | – | |
| Blake Perkins | OF | Draft | 2023 | 3 | +2.5 | +0.8 | – | |
| Isaac Collins | OF | Draft | 2024 | 1 | +2.4 | +2.4 | – | |
| Hunter Renfroe | OF | Trade | 2021 | 1 | +2.4 | +2.4 | 10.4 | |
| Hoby Milner | P | Trade | 2022 | 3 | +2.4 | +0.8 | 3.2 | |
| Kyle Harrison | P | Trade | 2026 | 1 | +2.2 | +2.2 | 17.8 | |
| Eric Lauer | P | Trade | 2021 | 2 | +2.1 | +1.0 | 11.5 | |
| Shane Drohan | P | Trade | 2026 | 1 | +1.9 | +1.9 | – | |
| Logan Henderson | P | Draft | 2025 | 2 | +1.9 | +1.0 | – | |
| Quinn Priester | P | Trade | 2025 | 1 | +1.9 | +1.9 | 12.3 | |
| Jared Koenig | P | Free agency | 2023 | 2 | +1.7 | +0.8 | 3.5 | |
| Joel Payamps | P | Trade | 2022 | 2 | +1.7 | +0.9 | 2.1 | |
| Brad Boxberger | P | Free agency | 2021 | 2 | +1.6 | +0.8 | 4.5 | |
| Colin Rea | P | Free agency | 2021 | 2 | +1.5 | +0.7 | 1.4 | |
| Gary Sánchez | C | Free agency | 2024 | 2 | +1.2 | +0.6 | 1.4 | |
| Rhys Hoskins | 1B | Free agency | 2024 | 2 | +1.1 | +0.5 | 0.8 | |
| Andruw Monasterio | 2B/3B | Draft | 2023 | 2 | +1.0 | +0.5 | – | |
| Joey Wiemer | OF | Draft | 2023 | 1 | +1.0 | +1.0 | – | |
| Robert Gasser | P | Trade | 2022 | 2 | +0.9 | +0.4 | – | |
| Joe Ross | P | Free agency | 2023 | 1 | +0.9 | +0.9 | 3.4 | |
| Mark Canha | OF | Trade | 2023 | 1 | +0.9 | +0.9 | 1.7 | |
| Jose Quintana | P | Free agency | 2025 | 1 | +0.8 | +0.8 | 5.4 | |
| DL Hall | P | Trade | 2024 | 3 | +0.8 | +0.3 | 0.7 | |
| Grant Anderson | P | Trade | 2025 | 2 | +0.7 | +0.3 | 2.5 | |
| Bryan Hudson | P | Trade | 2024 | 1 | +0.7 | +0.7 | 2.8 | |
| Carlos Santana | 1B | Trade | 2023 | 1 | +0.7 | +0.7 | 1.3 | |
| Eduardo Escobar | 3B | Trade | 2021 | 1 | +0.7 | +0.7 | 3.7 | |
| Rowdy Tellez | 1B | Trade | 2021 | 2 | +0.7 | +0.3 | 1.6 | |
| Jonathan Davis | OF | Free agency | 2021 | 1 | +0.6 | +0.6 | 2.5 | |
| Eric Haase | C | Free agency | 2023 | 2 | +0.6 | +0.3 | 0.9 | |
| Andrew McCutchen | OF | Free agency | 2022 | 1 | +0.6 | +0.6 | 2.6 | |
| Owen Miller | 1B/2B | Trade | 2022 | 1 | +0.6 | +0.6 | 1.8 | |
| Elvis Peguero | P | Trade | 2023 | 2 | +0.6 | +0.3 | 1.1 | |
| Frankie Montas | P | Trade | 2024 | 1 | +0.5 | +0.5 | 1.9 | |
| Aaron Civale | P | Trade | 2024 | 2 | +0.5 | +0.3 | 1.9 | |
| Brian Anderson | 3B/OF | Free agency | 2023 | 1 | +0.4 | +0.4 | 0.7 | |
| Peter Strzelecki | P | Draft | 2022 | 2 | +0.4 | +0.2 | – | |
| Tyler Alexander | P | Trade | 2025 | 1 | +0.4 | +0.4 | 2.8 | |
| Danny Jansen | C | Trade | 2025 | 1 | +0.4 | +0.4 | 2.8 | |
| Brandon Lockridge | OF | Trade | 2025 | 2 | +0.3 | +0.1 | 1.1 | |
| Pablo Reyes | OF | Free agency | 2021 | 1 | +0.3 | +0.3 | 1.6 | |
| Julio Teherán | P | Free agency | 2023 | 1 | +0.3 | +0.3 | 0.6 | |
| Hunter Strickland | P | Trade | 2021 | 1 | +0.3 | +0.3 | 1.9 | |
| Jake Cousins | P | Trade | 2021 | 2 | +0.2 | +0.1 | – | |
| Coleman Crow | P | Trade | 2023 | 1 | +0.2 | +0.2 | – | |
| David Hamilton | 2B/SS | Trade | 2026 | 1 | +0.2 | +0.2 | 1.5 | |
| Rob Zastryzny | P | Free agency | 2023 | 1 | +0.2 | +0.2 | 0.8 | |
| Luke Maile | C | Trade | 2021 | 1 | +0.2 | +0.2 | 1.1 | |
| Abraham Toro | 2B/3B | Trade | 2023 | 1 | +0.2 | +0.2 | 0.5 | |
| Enoli Paredes | P | Trade | 2024 | 1 | +0.2 | +0.2 | 0.8 | |
| Nick Mears | P | Trade | 2025 | 1 | +0.2 | +0.2 | 2.9 | |
| Brandon Sproat | P | Trade | 2026 | 1 | +0.2 | +0.2 | 1.2 | |
| Jake Bauers | 1B/OF | Trade | 2023 | 3 | +0.1 | +0.0 | 0.3 | |
| Steward Berroa | OF | Trade | 2025 | 1 | +0.1 | +0.1 | 0.3 | |
| Tyler Black | 1B/DH | Draft | 2024 | 2 | +0.1 | +0.0 | – | |
| Derek Fisher | OF | Trade | 2021 | 1 | +0.1 | +0.1 | 0.3 | |
| Brian Fitzpatrick | P | Draft | 2026 | 1 | +0.1 | +0.1 | – | |
| Kevin Herget | P | Free agency | 2024 | 1 | +0.1 | +0.1 | 0.4 | |
| Easton McGee | P | Free agency | 2023 | 2 | +0.1 | +0.1 | 0.6 | |
| Thomas Pannone | P | Free agency | 2022 | 1 | +0.1 | +0.1 | 0.2 | |
| Drew Rom | P | Free agency | 2025 | 1 | +0.1 | +0.1 | 0.4 | |
| Thyago Vieira | P | Free agency | 2023 | 1 | +0.1 | +0.1 | 0.1 | |
| Bryse Wilson | P | Trade | 2023 | 2 | +0.1 | +0.0 | 0.6 | |
| Josh Donaldson | 3B | Trade | 2023 | 1 | +0.1 | +0.1 | 0.1 | |
| Lance McCullers | P | Trade | 2026 | 1 | +0.1 | +0.1 | 0.7 | |
| J. B. Bukauskas | P | Trade | 2023 | 2 | +0.1 | +0.1 | 0.2 | |
| Jake Woodford | P | Trade | 2026 | 1 | +0.1 | +0.1 | 0.7 | |
| Mike Brosseau | 3B | Trade | 2022 | 1 | +0.1 | +0.1 | 2.6 | |
| Trevor Richards | P | Trade | 2021 | 1 | +0.1 | +0.1 | 0.7 | |
| John Axford | P | Trade | 2021 | 3 | -0.0 | -0.0 | – | |
| Blaine Hardy | P | Free agency | 2021 | 1 | +0.0 | +0.0 | 0.2 | |
| Alex Jackson | C | Trade | 2022 | – | -0.0 | – | – | |
| Jahmai Jones | DH/OF | Free agency | 2023 | – | -0.0 | – | – | |
| James Meeker | P | Draft | 2024 | – | -0.0 | – | – | |
| Jeferson Quero | C | Draft | 2026 | 1 | +0.0 | +0.0 | – | |
| Carlos Rodriguez | P | Draft | 2024 | 2 | +0.0 | +0.0 | – | |
| Chris Roller | OF | Trade | 2023 | – | -0.0 | – | – | |
| Pedro Severino | C | Free agency | 2021 | 1 | +0.0 | +0.0 | 0.2 | |
| Patrick Weigel | P | Trade | 2021 | – | -0.0 | – | – | |
| Rob Zastryzny | P | Trade | 2025 | 1 | -0.0 | -0.0 | 0.8 | |
| Ryan Weber | P | Trade | 2021 | 1 | +0.0 | +0.0 | 0.0 | |
| Shelby Miller | P | Trade | 2025 | 1 | +0.0 | +0.0 | 0.1 | |
| Jakob Junis | P | Trade | 2024 | 1 | +0.0 | +0.0 | 0.1 | |
| Elieser Hernández | P | Trade | 2024 | 1 | +0.0 | +0.0 | 0.1 | |
| Braden Shewmake | 3B/SS | Trade | 2026 | 1 | +0.0 | +0.0 | 0.4 | |
| Janson Junk | P | Trade | 2023 | 1 | +0.0 | +0.0 | 0.1 | |
| Luke Barker | P | Draft | 2022 | – | -0.1 | – | – | |
| Caleb Boushley | P | Draft | 2023 | – | -0.1 | – | – | |
| Trevor Gott | P | Free agency | 2021 | – | -0.1 | – | – | |
| Jandel Gustave | P | Trade | 2021 | – | -0.1 | – | – | |
| Dallas Keuchel | P | Trade | 2024 | – | -0.1 | – | – | |
| J. C. Mejía | P | Trade | 2021 | 1 | -0.1 | -0.1 | 0.0 | |
| Connor Sadzeck | P | Free agency | 2021 | – | -0.1 | – | – | |
| Ethan Small | P | Draft | 2022 | – | -0.1 | – | – | |
| Jordan Zimmermann | P | Free agency | 2021 | – | -0.1 | – | – | |
| Oliver Dunn | 3B | Trade | 2023 | 1 | -0.2 | -0.2 | – | |
| Brewer Hicklen | OF | Free agency | 2023 | – | -0.2 | – | – | |
| Luis Perdomo | P | Free agency | 2021 | – | -0.2 | – | – | |
| Anthony Seigler | 2B/3B | Draft | 2025 | – | -0.2 | – | – | |
| Connor Thomas | P | Draft | 2025 | – | -0.2 | – | – | |
| Craig Yoho | P | Draft | 2025 | – | -0.2 | – | – | |
| Bruce Zimmermann | P | Free agency | 2024 | – | -0.2 | – | – | |
| Jason Alexander | P | Draft | 2022 | – | -0.3 | – | – | |
| Clayton Andrews | P | Draft | 2023 | – | -0.3 | – | – | |
| Zack Godley | P | Free agency | 2021 | – | -0.3 | – | – | |
| Daniel Robertson | 2B/3B/SS | Free agency | 2021 | – | -0.4 | – | – | |
| Luke Voit | 1B/DH | Free agency | 2023 | – | -0.4 | – | – | |
| Greg Jones | OF | Free agency | 2025 | – | -0.5 | – | – | |
| Trevor Kelley | P | Free agency | 2021 | – | -0.5 | – | – | |
| Matt Bush | P | Trade | 2022 | – | -0.7 | – | – | |
| Jesse Winker | OF | Trade | 2022 | – | -0.8 | – | – | |
| Jackie Bradley | OF | Free agency | 2021 | – | -1.7 | – | – |
WAB = wins above what the team's payroll predicted (resource-controlled). WAR surplus = era-neutral value (WAR minus payroll in win-equivalents). Roster surplus $M = dollar value of WAR over cost. Build channels (realized fWAR): HG = home-grown via amateur draft / international signing; Trade = acquired minus surrendered (incl. purchases/waivers); FA = signed minus walked; R5 = Rule-5 / minor-league-draft pickups. Credit follows the acquisition year — home-grown to the regime at the player's draft/signing (not whoever was in the chair when he peaked), trade/FA/R5 to the GM who made the move. Players acquired as prospects before debuting (e.g. Smoltz, Bagwell; Rule-5 picks like Uggla) are counted as trade/R5, not home-grown. All are franchise-level outcomes during the stint, not solely attributable to one executive.