MLBTSDB

Should you buy this?

To use

Worth the stubs for your squad

Not enough data

To flip

Buy low, sell higher, after tax

Not enough data

To hold

Hot in real life, may get upgraded

Not enough data

For exchanges

Cheapest way to feed an exchange

Not enough data

Where this card ranks

  • 219th best of 924 relievers

Starting pitchers are ranked against starters, relievers against relievers, the way the team builder picks a staff.

Price history

Holding steady, with no big price moves lately.

What it costs to buyWhat you'd get selling
616875Oct 10Oct 16Oct 23Oct 2968
Price history

Ratings

Stamina
28
K/9
63
H/9
86
BB/9
47
Velocity
99
Control
56
Break
88

Your ratings

How this card ranks under ratings built for specific jobs. Make one that weighs what you care about, and every card page shows where that card lands.

Build your own rating

Pitching

Stamina
28
Pitching clutch
89
H/9
86
K/9
63
BB/9
47
HR/9
84
Velocity
99
Top 1%
Control
56
Break
88

Pitches

Sinker
95 mph
Slider
90 mph
Curveball
84 mph

Player

Position
RP
Bats
R
Throws
R
Age
30
Height
6'4"
Weight
180 lbs
Born
Washington
Number
55

Fielding & running

Fielding
53
Arm strength
76
Arm accuracy
46
Blocking
0
Speed
27
Baserunning
7
Reaction
48

Real-world tendencies

Arm slot
Low three-quarter 31°

A common release point among MLB pitchers (2026 Statcast)

SubmarineSidearmLow three-quarterThree-quarterHigh three-quarterOver the top

Faint lines: all 740 pitchers in this edition who throw with the same hand.

Quirks

Obtained from

Captains that boost this card

Build around one of these and this card gets their ability boost.

More Cardinals at RP

Questions

How do you get Riley O'Brien?
Buy it on the Community Market, where it costs about 68 stubs right now. It comes from: Daily Login Reward and The Show Pack.
How much is Riley O'Brien worth?
It costs about 68 stubs to buy right now.
What quirks does Riley O'Brien have?
Outlier I.

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