Players / Player profile
PIT · AA · RF

Ivan Brethowr

Age 23 B/T R/R 6′6″, 250 lb USA
Pittsburgh org

Development · trends & plan

Tracked levels only. Monthly values; gaps mark the offseason. The number beside each line is its last month, with that month’s sample (faded under 50 PA or 150 pitches), not the season.

Trends · Bradenton

Chase rate 24% Apr ’26 · 19 PA Apr ’26 – Apr ’26
Zone contact 54% Apr ’26 · 19 PA Apr ’26 – Apr ’26
Exit velocity (avg) 87.6 mph Apr ’26 · 19 PA Apr ’26 – Apr ’26
xwOBA .154 Apr ’26 · 19 PA Apr ’26 – Apr ’26
Strikeout rate 53% Apr ’26 · 19 PA Apr ’26 – Apr ’26

Minor leagues

MLB Stats API · public box-score data

SeasonLevelLevelTeamAgeGPA / IPPA / IP ·Line
2026AABradenton Marauders23519 PA 19 PA · .176/.263/.353 · 0 HR · 52.6% K · 5.3% BB
2026A+A+Greensboro Grasshoppers23730 PA 30 PA · .261/.414/.565 · 1 HR · 26.7% K · 13.3% BB
2026AAAAAltoona Curve2355220 PA 220 PA · .176/.311/.280 · 3 HR · 31.8% K · 13.6% BB
2025A+A+Greensboro Grasshoppers22104428 PA 428 PA · .223/.402/.324 · 6 HR · 26.4% K · 16.6% BB

Prospect Pipeline: Perf+ 91 over his 2026 season (269 PA, mostly AA), 0.5 years younger than his level; trend −14.1 since 2025. Tag: Watch. Prospects →

Keystone is an independent portfolio project. It is not affiliated with Major League Baseball or any club. Data: MLB Stats API, Baseball Savant, FanGraphs. Used under their terms for individual, non-commercial use.