Prospect Card Radar
Prospect Card Radar

Live card prices & stats for the Top 300 MLB prospects
Affiliate disclosure: Prospect Card Radar is a participant in the eBay Partner Network. We earn from qualifying purchases made through eBay links on this page (including the “Shop on eBay” button and listings below), at no extra cost to you. eBay does not endorse or sponsor this site.
Theo Gillen
AGG #15MLB #9BA #27

Theo Gillen

Rookie Card & 1st Bowman Chrome Auto Prices

MiLB·Outfield·TB·Age 20·6' 2", 195lb·B/T: L/R
Chicago, IL·Drafted 2024, Rd 1 #18
THE ARC · price journey See Theo Gillen's 30-day price story BC 1st Auto Avg over time with key moments annotated
View →
Market Prices
$199.99
1st Auto Avg
$199.99
PSA 10 Avg
$199.99
Low
$199.99
High
BAT vs MARKETPERCENTILE RANK · 165 BATTERS

Higher = better. 50th is league median, 90th+ is elite. The orange Card Market bar shows where the price ranks — not whether it’s a good buy.

HIT
88thGOOD
POWER
68thAVG
PLATE DISC.
39thFAIR
SPEED
85thGOOD
CARD MARKET
—
VERDICT
PENDING
Card market data is still establishing. Verdict appears once an active 1st auto market exists.

Theo Gillen card price summary

Live eBay averages for base autos only. Numbered parallels, refractor colors, superfractors, and printing plates are excluded so the numbers stay apples-to-apples across product lines. Refreshed multiple times per day.

Card typeRaw avgRangeRaw listingsPSA 10 avg
Bowman Chrome 1st Bowman Auto (all active)$199.99$199.99–$199.991—
Bowman's Best Auto$25.28$14.99–$40.009—
THE BAT2026 · 71 GP · MiLB
wRC+143
AVG.310
OBP.415
SLG.516
BB%13.6%
K%24.2%
PRIOR YEAR · 2025 (A): .267 / .433 / .387 · 73 GP
1st Bowman 1Numbered 42
Shop Theo Gillen Cards on eBayfrom $199.99

As an eBay Partner Network affiliate, Prospect Card Radar earns from qualifying purchases.

Active Listings (2,350 on eBay)
Price Trend
Price Range
$
to
$
Loading…
eBay affiliate links: Each listing card below is an affiliate link to eBay. Prospect Card Radar may earn a commission on qualifying purchases at no extra cost to you.
Loading live listings from eBay…
Market Explorer
Tap a cell to shop on eBay

Other Rays prospects

#68Nathan FlewellingC · TB#87Caden BodineC · TB

Other top OF prospects

#54Nate GeorgeOF · BAL#72Josiah HartshornOF · CHC#73Eric HartmanOF · ATL#81Justin GonzalesOF · BOS

Around rank #9

#8Thomas WhiteSP · MIA#10Seth HernandezSP · PIT#7Ryan SloanSP · SEA#11Walker JenkinsCF · MIN
Affiliate disclosure: Prospect Card Radar is a participant in the eBay Partner Network. As an eBay Partner Network affiliate, we earn from qualifying purchases made through links on this site, at no extra cost to you. eBay does not endorse or sponsor this site.
Shop Theo Gillen Cards on eBay from $199.99