John Holobetz: From PTBNL to Triple-A

The ClimbCoal Region Canary

From “Player To Be Named Later” to Triple‑A

Traded sight-unseen as a throw-in, RHP John Holobetz has pitched his way through all four full-season levels in 15 months.

4Levels

449Days Trade→AAA

219Strikeouts

Single-A

Carolina MudcatsMilwaukee Brewers organization

Where he started 2025 · 5 games, 3 starts

3–0W–L

3.00ERA

0.88WHIP

31K

24.0 IP — 31 strikeouts against five walks.

⇆

The Trade

Milwaukee → BostonPTBNL from the April 7 Quinn Priester deal

May 5, 2025

Single-A · On Paper

Salem Red SoxNow the Salem RidgeYaks

Assigned May 5, 2025 · promoted May 6

He never threw a pitch for Salem — Boston moved him up a level the day after the paperwork cleared.

High-A

Greenville DriveSouth Carolina

Promoted May 6, 2025 · 92 days at the level

4–2W–L

3.43ERA

1.25WHIP

62K

63.0 IP over 12 games, 11 starts.

Double-A

Portland Sea DogsMaine

Promoted Aug. 6, 2025 · 356 days at the level

6–5W–L

3.70ERA

1.10WHIP

120K

116.2 IP across 2025 and 2026. In 2026 alone: 5–3, 4.33 ERA, 93 K in 79.0 IP — and a 2.70 ERA over his last five starts.

NOW Triple-A

Worcester Red SoxOne phone call from Fenway Park

Promoted & activated July 28, 2026

1–0W–L

1.59ERA

0.71WHIP

Won his Triple-A debut — one earned run and four baserunners allowed.

Career minors: 14–7, 3.48 ERA, 1.11 WHIP, 219 K in 209.1 IP. Stats via Baseball‑Reference; transactions via MiLB. Graphic: Coal Region Canary