RP - St. Louis Cardinals
- Age 31
- College of Idaho
- Bats: R
- Throws: R
Rostered In ~70.5% of leagues
Availability
Player News
View More NewsRiley O'Brien locks down save as Cards hold off Dodgers
Riley O'Brien struck out one batter while allowing the ghost runner to score to earn the save in Wednesday's 8-6 win over the Dodgers.
Fantasy Impact
After Wednesday's win, O'Brien now has a 3.88 ERA and 1.20 WHIP with 35 saves and one hold across 57 appearances. He struggled a bit to close out August, but has saves in back-to-back appearances. He's tied with Cade Smith for second in the league.
Recent Articles
View More Articles | Each week during the fantasy baseball season, I take a look at the relief pitcher landscape to aid in waiver wire decisions. The fantasy playoffs are in full swing, so let’s see who can help with saves plus holds. Fantasy … read more »  by in FantasySep 3, 2026 |
Rankings
View More Rankings| ECR | Best | Worst | # of Experts | |
|---|---|---|---|---|
| Draft | #130 | #67 | #167 | 20 |
| Rest of Season | #74 | #52 | #96 | 5 |
| Dynasty | - | - | - | - |
Value Based Rank (ROS)
ECR vs ADP
| G | GS | W | L | SV | BS | HD | IP | H | ER | HR | BB | K | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 59 | 0 | 3 | 3 | 14 | 1 | 11 | 60.2 | 52 | 26 | 5 | 27 | 63 | 3.92 | 1.31 |
Stats
View More Stats| Pitching Stats | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | G | GS | W | L | SV | IP | H | R | ER | HR | BB | BB% | K | K% | ERA | WHIP | ||||||
| 2024 | STL | 8 | 0 | 0 | 0 | 0 | 8 | 13 | 10 | 10 | 2 | 8 | 17.39 | 11 | 23.91 | 11.25 | 2.63 | ||||||
| 2025 | STL | 42 | 0 | 3 | 1 | 6 | 48 | 33 | 13 | 11 | 2 | 22 | 11.06 | 45 | 22.61 | 2.06 | 1.15 | ||||||
| 2026 | STL | 59 | 0 | 3 | 7 | 36 | 57 | 47 | 29 | 26 | 3 | 24 | 9.76 | 57 | 23.17 | 4.11 | 1.25 | ||||||
History
Game Log
View More Games| Game | OPP | Score | DEC | IP | H | R | ER | HR | BB | K | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fri, Sep 4 | @ COL | W, 7-6 | SV | 1.0 | 1 | 0 | 0 | 0 | 0 | 2 | 0.00 | 1.00 |
| Thu, Sep 3 | @ LAD | L, 2-3 | BS, L | 0.1 | 2 | 2 | 2 | 0 | 1 | 0 | 54.00 | 9.00 |
| Wed, Sep 2 | @ LAD | W, 8-6 | SV | 1.0 | 0 | 1 | 0 | 0 | 0 | 1 | 0.00 | 0.00 |
| Thu, Aug 27 | vs. BAL | W, 5-7 | SV | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | 0.00 | 1.00 |
Game Schedule
View Schedule| Game | Opp. Team | ||||
|---|---|---|---|---|---|
| Date | Opp | Time | Pitcher | VBR | Matchup |
| Sat, Sep 5th | @ COL | 8:10pm | #358 | ||
| Sun, Sep 6th | @ COL | 3:10pm | #406 | ||
| Mon, Sep 7th | @ SF | 8:10pm | #96 | ||
| Tue, Sep 8th | @ SF | 9:45pm | #160 | ||
