Johnny Slawinski

As of November 3, 2026, Prospect Card Radar rates Johnny Slawinski’s 1st Bowman Chrome auto UNDERPRICED. His arm ranks in the 88th percentile of 119 tracked prospect pitchers (1.97 FIP over 54.0 innings in Rookie ball), while his card market ranks in the 26th percentile, a 62-point gap in favor of production. Last sold value is about $17 raw and $153 in a PSA 10 (2025 Bowman Draft Chrome Prospect Autograph #CPA-JS). 3 base 1st autos are live on eBay, asking $25 to $30 (average $27). Prospect Card Radar reaches this by ranking every tracked prospect’s on-field production against the price of his 1st Bowman Chrome auto in the same pool of 119 prospect pitchers, and refreshing both daily.

As of November 3, 2026, Prospect Card Radar rates Johnny Slawinski’s 1st Bowman Chrome auto UNDERPRICED. The gap between his on-field percentile (88th) and his card market percentile (26th) is 62 points in favor of production. A player producing well above what his card is priced at is the pattern Prospect Card Radar flags as underpriced.

As of November 3, 2026, the sold value for a raw Johnny Slawinski base 1st Bowman Chrome autograph is about $17, and about $153 graded PSA 10. This is a sold figure, not an asking price. Prospect Card Radar tracks it daily alongside live eBay asks so you can see the spread between what sellers want and what cards actually trade for.

The current Bowman Chrome 1st Bowman autograph average for Johnny Slawinski is $27 based on live eBay listings tracked by Prospect Card Radar. Numbered parallels and refractor colors are excluded so the figure reflects base autos only. Data refreshes multiple times per day.

Current Bowman Chrome 1st auto listings for Johnny Slawinski range from $25 to $30 based on live eBay data across 3 listings. The wider the spread, the more variation in condition and seller pricing.

Johnny Slawinski is ranked #251 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.

Johnny Slawinski plays SP in the Angels organization.

Prospect Card Radar tracks live Johnny Slawinski card listings, recently delisted cards, real sold values, and 30-day price history at https://prospectcardradar.com/prospects/johnny-slawinski. Listings update continuously throughout the day.