✗ UnlikelyRILEY
RILEY
O'Brien
Hall of Fame Probability & HOF Score
St. Louis Cardinals·P·Age 31·5th Season
Last updated: May 28, 2026
HOF Score
11.3
/ 100
▲ +0 this season
SCORE Breakdown
5 DimensionsCareer Value30% weight
Milestone Progress25% weight
Awards & Selections20% weight
Peak Performance15% weight
Longevity10% weight
SCORE History
By Season121
222
424
925
1126
2021HOF Score by Season2026 ★ 11
WAR BY Season
2026
24 GP
2025
42 GP
2024
8 GP
2022
1 GP
2021
1 GP
MILESTONE Tracker
HALL OF FAME Comparisons
At Age 31| Player | WAR | W | ERA | Awards |
|---|---|---|---|---|
Riley O'Brien Active · 2026 | 0.0 | 6 | 3.380 | 0× MVP |
Nolan Ryan HOF · At age 30 | 38.4 | 0 | 3.14 | 0× MVP |
Tony Gwynn HOF · At age 30 | 42.4 | 0 | 0.00 | 0× MVP |
Willie Mays HOF · At age 30 | 56.8 | 0 | 0.00 | 2× MVP |
Hank Aaron HOF · At age 30 | 63.4 | 0 | 0.00 | 1× MVP |
Derek Jeter HOF · At age 30 | 44.8 | 0 | 0.00 | 0× MVP |
Cal Ripken Jr HOF · At age 30 | 64.4 | 0 | 0.00 | 2× MVP |
Frank Robinson HOF · At age 30 | 68.4 | 0 | 0.00 | 2× MVP |
Mike Schmidt HOF · At age 30 | 64.4 | 0 | 0.00 | 3× MVP |
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THE Verdict
Will Riley O'Brien make the Hall of Fame?
O'Brien currently sits outside clear Hall of Fame consideration. An extended elite stretch — think multiple MVP-caliber seasons — would be needed to build a credible Cooperstown case.
What is Riley O'Brien's HOF Score?
Riley O'Brien's current HOF Score is 11.3 out of 100, placing them in the “✗ Unlikely” tier. The score is calculated from 5 dimensions: Career Value (30%), Milestone Progress (25%), Awards & Selections (20%), Peak Performance (15%), and Longevity (10%).