JB Middleton
Colorado RockiesInjured List · since Jun 30
JB Middleton Bowman Card Prices & Value
Track Bowman 1st Chrome autograph and rookie card values for this 22-year-old COL RHP — raw and PSA 10 graded price trends, recent sales, and market data. Current season: ERA 4.95, WHIP 1.70.
Scouting Grades 20-80 scale
JB Middleton: Common Questions
Does JB Middleton have a 1st Bowman autograph, and which set is it in?
Yes. JB Middleton's first Bowman autograph is in 2025 Bowman Draft, card CPA-JM. Until an MLB debut, that 1st auto is the closest thing to a JB Middleton rookie card.
What are JB Middleton's position, team, and age?
JB Middleton is a RHP in the COL organization, currently 22 years old. This season's line: ERA 4.95, WHIP 1.70.
How is JB Middleton ranked among MLB prospects?
JB Middleton is not currently inside our ranked prospect list.
How often does JB Middleton's Bowman auto grade a PSA 10?
Across graded copies, JB Middleton's base Bowman autograph hits a PSA 10 roughly 30% of the time (10 graded so far).
What is JB Middleton'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 JB Middleton update daily on this page for HobbyMonitor members.