John Holobetz
- 2026 ERA
- 4.07AAA/AA
- WHIP
- 1.25
John Holobetz cards for sale
Live eBay listings, scored against what each card usually sells for.
Looking for other cards, like Bowman's Best, parallels or base cards?
John Holobetz card prices
What his Bowman Chrome 1st Auto sells for, and which listings came off eBay recently.
Recently ended listings
1st Bowman Chrome autos, last 30 days
No 1st Bowman Chrome auto listings have ended in the last 30 days.
Price summary
As of Nov 4, 2026
Sold prices come from completed sales tracked by SportsCardsPro. Asking is the average of live eBay listings for the raw base auto, with numbered parallels, refractors, superfractors and printing plates left out. How we price cards
The player
How his arm ranks next to how his card is priced, among 119 tracked pitchers.
Arm vs market
Percentile rank. 50th is the median, 90th and up is elite.
The orange bar shows where his card price ranks, not whether it is a good buy. A card market well above the arm usually means hype is priced in.
2026 season
AAA/AA
- ERA
- 4.07
- FIP
- 3.54
- WHIP
- 1.25
- K/9
- 10.0
- BB/9
- 2.7
- IP
- 119.33333333333333
As of November 4, 2026, Prospect Card Radar does not have enough verified data to call John Holobetz’s 1st Bowman Chrome auto overpriced or underpriced.
Common questions about John Holobetz cards
Is John Holobetz’s 1st Bowman Chrome auto a good buy right now?
As of November 4, 2026, Prospect Card Radar does not have enough verified data to call John Holobetz’s 1st Bowman Chrome auto overpriced or underpriced. His base 1st Bowman Chrome auto does not have an established card market yet, so there is no price percentile to compare his on-field performance against. What we can say: his arm ranks in the 59th percentile of 119 tracked prospect pitchers (3.54 FIP over 119.3 innings across AAA/AA), measured November 3, 2026. A verdict is published only once on-field percentiles and a price we can stand behind are both available, so this page will carry one as soon as that data lands.
Where does John Holobetz rank as a prospect?
John Holobetz is ranked #242 in the Prospect Card Radar composite top 300, which blends MLB Pipeline, Fangraphs, and Baseball America rankings (composite last recomputed September 19, 2026). Individual source ranks are listed at the top of his prospect page.
What position does John Holobetz play and what team is he in?
John Holobetz plays SP in the Red Sox organization.
Where can I see live John Holobetz card listings on eBay?
Prospect Card Radar tracks live John Holobetz card listings, recently delisted cards, real sold values, and 30-day price history at https://prospectcardradar.com/prospects/john-holobetz. Listings update continuously throughout the day.
How does Prospect Card Radar calculate John Holobetz's card prices?
Prospect Card Radar pulls live active listings from eBay, filters to base 1st autographs (numbered parallels, refractor colors, superfractors, and printing plates excluded), and computes a rolling average. Raw and PSA 10 averages are tracked separately. Methodology details at https://prospectcardradar.com/methodology.
Related prospects
Red Sox system, players at his position and ranked nearby.