Keyner Martinez Bowman Card Prices & Value
Track Bowman 1st Chrome autograph and rookie card values for this 22-year-old SF RHP: raw and PSA 10 graded price trends, recent sales, and market data. Current season: ERA 4.61, WHIP 1.28.
Keyner Martinez: Common Questions
Does Keyner Martinez have a 1st Bowman autograph, and which set is it in?
Yes. Keyner Martinez's first Bowman autograph is in 2026 Bowman Chrome, card CPA-KMA. Until an MLB debut, that 1st auto is the closest thing to a Keyner Martinez rookie card.
What are Keyner Martinez's position, team, and age?
Keyner Martinez is a RHP in the SF organization, currently 22 years old. This season's line: ERA 4.61, WHIP 1.28.
How is Keyner Martinez ranked among MLB prospects?
Keyner Martinez is not currently inside our ranked prospect list.
What is Keyner Martinez's 1st Bowman auto worth, and where can I track the price?
Raw and PSA 10 sale prices, price history, and the HobbyMonitor value score for Keyner Martinez update daily on this page for HobbyMonitor members.