Player Information
| Team | STL |
Pos | RP |
Age | 31 |
| Throws | R |
$/Game | 0.0 |
RCL R% | 98 |
Razzball 2026 rest of season projections for Riley O'Brien of the St Louis Cardinals have him as the
#88 ranked player and #1 relief pitcher (RP) worth $99.9 in standard 12 team 5x5 mixed leagues for fantasy baseball.
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2026 Fantasy Outlook
| Grey Albright's 2026 Player Summary |
|---|
Riley O'Brien Stats
| G | GS | QS | W | L | SV | HLD | IP | TBF | H | ER | HR | BB | K | ERA | FIP | WHIP | BABIP | H/9 | K/9 | BB/9 | HR/9 | K% | BB% | $ |
|---|
| Last 7 Days | | | | | | | | | | | | | | | | | | | | | | | | | |
| Last 30 Days | 10 | 0 | 0 | 0 | 3 | 4 | 0 | 9.3 | 41 | 9 | 5 | 2 | 6 | 10 | 4.82 | 5.60 | 1.61 | 0.304 | 8.7 | 9.7 | 5.8 | 1.9 | 24.4 | 14.6 | -4.3 |
| Season | 66 | 0 | 0 | 3 | 9 | 38 | 1 | 64.0 | 277 | 53 | 29 | 5 | 29 | 64 | 4.08 | 3.95 | 1.28 | 0.289 | 7.5 | 9.0 | 4.1 | 0.7 | 23.1 | 10.5 | 8.7 |
| ROS Proj | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 2 | 0 | 0 | 0 | 0 | 0 | 3.66 | 3.72 | 1.25 | 0.293 | 0.0 | 0.0 | 0.0 | 0.0 | 20.0 | 10.0 | -1.3 |
Riley O'Brien 2026 Projections | Preseason
Riley O'Brien daily MLB projections and fantasy value for probable starts in next 7-10 days. LU=Lineup. If the lineup has been released and incorporated into the projections, it is listed as "Live".
Riley O'Brien daily fantasy baseball projections for DFS sites such as DraftKings and FanDuel. LU=Lineup. If the lineup has been released and incorporated into the projections, it is listed as "Live".
Riley O'Brien Game Log | Games Started
| OPP | DEC | IP | BF | PC | H | R | ER | BB | K | ERA | FIP | WHIP | BABIP | HR | Proj $ | Act $ |
|---|
Riley O'Brien Game Log | Last 30 Day Relief Appearances
| OPP | DEC | IPStart | IP | BF | PC | H | R | ER | BB | K | HR | ERA | FIP | WHIP | $ |
|---|
| Sep 20 | WSH | SV | 9 | 1.0 | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.10 | 0.00 | 33.8 |
| Sep 19 | WSH | | 10 | 1.0 | 4 | 12 | 1 | 1 | 0 | 0 | 2 | 0 | 0.00 | -0.90 | 1.00 | 0.2 |
| Sep 16 | SF | L | 10 | 1.0 | 5 | 16 | 2 | 2 | 1 | 1 | 0 | 1 | 9.00 | 19.10 | 3.00 | -35.9 |
| Sep 14 | SF | SV | 9 | 1.0 | 5 | 19 | 1 | 0 | 0 | 1 | 2 | 0 | 0.00 | 2.10 | 2.00 | 48.4 |
| Sep 12 | CHW | L+BSV | 9 | 1.0 | 5 | 21 | 1 | 2 | 2 | 1 | 2 | 1 | 18.00 | 15.10 | 2.00 | -41.2 |
| Sep 11 | CHW | | 9 | 1.0 | 3 | 11 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.10 | 0.00 | -7.0 |
| Sep 7 | @SF | BSV | 10 | 1.0 | 5 | 11 | 1 | 1 | 0 | 2 | 0 | 0 | 0.00 | 9.09 | 3.00 | -15.3 |
| Sep 4 | @COL | SV | 9 | 1.0 | 4 | 12 | 1 | 0 | 0 | 0 | 2 | 0 | 0.00 | -0.90 | 1.00 | 48.7 |
| Sep 3 | @LAD | L+BSV | 9 | 0.3 | 4 | 17 | 2 | 2 | 2 | 1 | 0 | 0 | 60.00 | 0.00 | 9.00 | -99.9 |
| Sep 2 | @LAD | SV | 10 | 1.0 | 3 | 17 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 1.09 | 0.00 | 41.4 |
| Aug 27 | BAL | SV | 9 | 1.0 | 4 | 11 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.08 | 1.00 | 41.2 |
| Aug 26 | BAL | L | 9 | 1.0 | 5 | 17 | 2 | 1 | 1 | 0 | 0 | 0 | 9.00 | 3.08 | 2.00 | -35.6 |
| Aug 23 | @PHI | L | 9 | 0.7 | 8 | 39 | 5 | 6 | 6 | 1 | 0 | 1 | 77.14 | 0.00 | 9.00 | -99.9 |
| Aug 20 | @CIN | SV | 9 | 0.3 | 4 | 15 | 1 | 0 | 0 | 2 | 0 | 0 | 0.00 | 0.00 | 9.00 | -99.9 |
| Aug 18 | @CIN | SV | 9 | 1.0 | 3 | 13 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.08 | 0.00 | 41.4 |
| Aug 17 | @CIN | SV | 9 | 1.0 | 3 | 14 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | -2.92 | 0.00 | 56.4 |
| Aug 15 | @CHC | | 9 | 1.0 | 3 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.08 | 0.00 | -14.6 |
| Aug 11 | PHI | SV | 9 | 1.0 | 3 | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.08 | 0.00 | 41.4 |
| Aug 9 | COL | SV | 9 | 1.0 | 3 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.09 | 0.00 | 33.8 |
| Aug 7 | COL | SV | 9 | 1.0 | 3 | 14 | 0 | 0 | 0 | 1 | 0 | 0 | 0.00 | 6.09 | 1.00 | 33.6 |
| Aug 5 | @NYY | SV | 9 | 1.0 | 4 | 22 | 0 | 0 | 0 | 1 | 1 | 0 | 0.00 | 4.09 | 1.00 | 41.2 |
| Aug 2 | @TOR | | 9 | 1.0 | 4 | 18 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.10 | 1.00 | -7.3 |
| Jul 30 | CHC | | 9 | 1.0 | 3 | 17 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.10 | 0.00 | -7.0 |
| Jul 29 | CHC | | 9 | 1.0 | 5 | 18 | 0 | 0 | 0 | 1 | 1 | 0 | 0.00 | 7.11 | 1.00 | -7.3 |
| Jul 22 | @LAA | SV | 9 | 1.0 | 5 | 26 | 0 | 0 | 0 | 2 | 3 | 0 | 0.00 | 3.10 | 2.00 | 55.9 |
| Jul 20 | @LAA | L+BSV | 9 | 0.3 | 6 | 21 | 2 | 2 | 2 | 1 | 1 | 0 | 60.00 | 0.00 | 9.00 | -99.9 |
| Jul 17 | @ARI | SV | 9 | 1.0 | 4 | 16 | 1 | 0 | 0 | 1 | 1 | 0 | 0.00 | 4.10 | 2.00 | 40.9 |
| Jul 11 | ATL | SV | 9 | 1.0 | 5 | 18 | 0 | 0 | 0 | 1 | 1 | 0 | 0.00 | 7.10 | 1.00 | 41.2 |
| Jul 10 | ATL | SV | 9 | 1.0 | 3 | 12 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | -0.89 | 0.00 | 48.9 |
| Jul 8 | MIL | | 9 | 1.0 | 4 | 15 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.12 | 1.00 | -7.3 |
| Jul 4 | @CHC | SV | 9 | 1.0 | 3 | 13 | 0 | 0 | 0 | 1 | 1 | 0 | 0.00 | 4.11 | 1.00 | 41.2 |
| Jun 30 | @ATL | SV | 9 | 1.0 | 4 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.11 | 1.00 | 33.6 |
| Jun 28 | MIA | SV | 9 | 1.0 | 3 | 15 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.10 | 0.00 | 41.4 |
| Jun 22 | ARI | SV | 9 | 1.0 | 3 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.10 | 0.00 | 33.8 |
| Jun 21 | @KC | | 9 | 1.0 | 7 | 12 | 2 | 2 | 2 | 0 | 1 | 1 | 18.00 | 17.10 | 2.00 | -48.7 |
| Jun 16 | SD | SV | 9 | 1.0 | 4 | 13 | 0 | 0 | 0 | 1 | 0 | 0 | 0.00 | 6.09 | 1.00 | 33.6 |
| Jun 13 | @MIN | | 9 | 1.0 | 6 | 31 | 0 | 1 | 1 | 3 | 1 | 0 | 9.00 | 10.10 | 3.00 | -28.4 |
| Jun 7 | CIN | SV | 9 | 1.0 | 4 | 15 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.10 | 1.00 | 41.2 |
| Jun 6 | CIN | SV | 9 | 1.0 | 6 | 23 | 2 | 0 | 0 | 1 | 1 | 0 | 0.00 | 4.10 | 3.00 | 40.7 |
| Jun 3 | TEX | SV | 9 | 1.0 | 4 | 13 | 0 | 0 | 0 | 1 | 0 | 0 | 0.00 | 6.10 | 1.00 | 33.6 |
| Jun 2 | TEX | L | 9 | 1.0 | 7 | 32 | 3 | 3 | 3 | 1 | 2 | 0 | 27.00 | 2.09 | 4.00 | -62.3 |
| May 29 | CHC | SV | 9 | 1.0 | 4 | 14 | 1 | 1 | 1 | 0 | 0 | 0 | 9.00 | 3.06 | 1.00 | 13.0 |
| May 23 | @CIN | L | 10 | 1.3 | 6 | 20 | 0 | 1 | 0 | 1 | 2 | 0 | 0.00 | 2.34 | 0.75 | 2.7 |
| May 19 | PIT | BSV | 9 | 1.0 | 7 | 22 | 2 | 2 | 2 | 1 | 0 | 0 | 18.00 | 12.11 | 3.00 | -56.5 |
| May 15 | KC | | 9 | 1.0 | 3 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.10 | 1.00 | -14.8 |
| May 14 | @ATH | SV | 9 | 1.0 | 4 | 16 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 2.11 | 0.00 | 48.9 |
| May 12 | @ATH | SV | 9 | 1.0 | 3 | 13 | 0 | 0 | 0 | 1 | 0 | 0 | 0.00 | 6.12 | 1.00 | 33.6 |
| May 10 | @SD | BSV | 9 | 1.0 | 5 | 31 | 2 | 2 | 2 | 0 | 3 | 1 | 18.00 | 10.11 | 2.00 | -33.7 |
| May 7 | @SD | SV | 9 | 1.0 | 3 | 10 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.14 | 0.00 | 41.4 |
| May 4 | MIL | SV | 9 | 0.7 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 31.4 |
| May 2 | LAD | SV | 9 | 1.0 | 7 | 26 | 4 | 2 | 2 | 0 | 2 | 0 | 18.00 | -0.85 | 4.00 | 6.7 |
| Apr 29 | @PIT | SV | 9 | 1.0 | 4 | 11 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.12 | 1.00 | 41.2 |
| Apr 25 | SEA | L+BSV | 8 | 1.0 | 9 | 39 | 4 | 2 | 2 | 1 | 1 | 0 | 18.00 | 7.15 | 5.00 | -99.9 |
| Apr 21 | @MIA | SV | 9 | 1.0 | 4 | 17 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.14 | 1.00 | 41.2 |
| Apr 19 | @HOU | W+BSV | 8 | 1.3 | 5 | 19 | 1 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.13 | 0.75 | 2.7 |
| Apr 18 | @HOU | SV | 9 | 0.7 | 2 | 7 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | 39.0 |
| Apr 15 | CLE | SV | 9 | 1.0 | 3 | 15 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | -0.85 | 0.00 | 48.9 |
| Apr 14 | CLE | W | 10 | 1.0 | 3 | 15 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.16 | 0.00 | 20.2 |
| Apr 10 | BOS | SV | 9 | 1.0 | 3 | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.15 | 0.00 | 41.4 |
| Apr 8 | @WSH | | 9 | 1.0 | 3 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.18 | 0.00 | -14.6 |
| Apr 7 | @WSH | SV | 10 | 1.0 | 4 | 16 | 0 | 1 | 0 | 0 | 2 | 0 | 0.00 | 2.15 | 0.00 | 48.9 |
| Apr 5 | @DET | SV | 9 | 1.0 | 3 | 13 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.20 | 0.00 | 41.4 |
| Apr 1 | NYM | | 9 | 1.0 | 4 | 16 | 1 | 0 | 0 | 0 | 2 | 0 | 0.00 | -0.83 | 1.00 | 0.2 |
| Mar 31 | NYM | SV | 9 | 1.0 | 3 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.20 | 0.00 | 33.8 |
| Mar 28 | TB | HLD | 7 | 1.0 | 4 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0.00 | 2.89 | 2.00 | -15.1 |
| Mar 26 | TB | W | 7 | 1.3 | 5 | 17 | 1 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.63 | 0.75 | 29.9 |
Riley O'Brien Stats | Season
Riley O'Brien stats and 5x5 fantasy value from 2013-2026.
| Period | Team | G | GS | QS | W | L | SV | HLD | BF | IP | H | ER | HR | BB | K | ERA | FIP | WHIP | BABIP | HR/9 | BB/9 | K/9 | $ |
|---|
| 2013 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2014 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2015 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2016 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2017 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2018 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2019 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2020 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2021 | CIN | 1 | 1 | 0 | 0 | 1 | 0 | 0 | | 1.0 | 2 | 2 | 2 | 3 | 2 | 13.50 | 26.42 | 3.75 | | 13.5 | 20.3 | 13.5 | -14.8 |
| 2022 | SEA | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 1.0 | 1 | 0 | 0 | 1 | 1 | 0.00 | 4.11 | 2.00 | 0.333 | 0.0 | 9.0 | 9.0 | -15.1 |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | STL | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 46 | 8.0 | 13 | 10 | 2 | 8 | 11 | 11.25 | 7.04 | 2.63 | 0.478 | 2.3 | 9.0 | 12.4 | -18.4 |
| 2025 | STL | 42 | 0 | 0 | 3 | 1 | 6 | 6 | 200 | 48.0 | 33 | 11 | 2 | 22 | 45 | 2.06 | 3.61 | 1.15 | 0.252 | 0.4 | 4.1 | 8.4 | -2.9 |
| 2026 | STL | 66 | 0 | 0 | 3 | 9 | 38 | 1 | 277 | 64.0 | 53 | 29 | 5 | 29 | 64 | 4.08 | 3.95 | 1.28 | 0.289 | 0.7 | 4.1 | 9.0 | 8.7 |
Riley O'Brien Stats | Monthly
Riley O'Brien 2026 fantasy value by month for 5x5 leagues.
| G | GS | QS | W | L | SV | HLD | IP | H | ER | K | BB | ERA | FIP | WHIP | BABIP | H/9 | K/9 | BB/9 | HR/9 | $ | $/G$ |
|---|
| April | 12 | 0 | 0 | 2 | 1 | 7 | 0 | 12.0 | 8 | 2 | 15 | 1 | 1.50 | 1.28 | 0.75 | 0.276 | 6.0 | 11.3 | 0.8 | 0.0 | 23.8 | 8.9 |
| May | 9 | 0 | 0 | 0 | 1 | 5 | 0 | 9.0 | 9 | 6 | 10 | 3 | 6.00 | 4.25 | 1.33 | 0.348 | 9.0 | 10.0 | 3.0 | 1.0 | -2.6 | -4.4 |
| June | 9 | 0 | 0 | 0 | 1 | 6 | 0 | 9.0 | 8 | 6 | 7 | 7 | 6.00 | 5.59 | 1.67 | 0.250 | 8.0 | 7.0 | 7.0 | 1.0 | -3.9 | -5.2 |
| July | 9 | 0 | 0 | 0 | 1 | 5 | 0 | 8.3 | 4 | 2 | 12 | 7 | 2.16 | 4.11 | 1.32 | 0.267 | 4.3 | 13.0 | 7.6 | 0.0 | 1.5 | -0.8 |
| August | 12 | 0 | 0 | 0 | 2 | 8 | 0 | 11.0 | 10 | 7 | 8 | 5 | 5.73 | 4.12 | 1.36 | 0.273 | 8.2 | 6.6 | 4.1 | 0.8 | -2.4 | -5.0 |
| September | 10 | 0 | 0 | 0 | 3 | 4 | 0 | 9.3 | 9 | 5 | 10 | 6 | 4.82 | 5.60 | 1.61 | 0.304 | 8.7 | 9.6 | 5.8 | 1.9 | -6.5 | -7.3 |
Riley O'Brien Fantasy Baseball | Rest of Season Player Rater
Riley O'Brien Fantasy Baseball | Rest of Season Player Rater (non-standard 5x5)
Riley O'Brien Fantasy Baseball | Preseason Player Rater
Riley O'Brien Fantasy Baseball | Preseason Player Rater (non-standard 5x5)
Riley O'Brien 2026 Projections | Preseason
Riley O'Brien Fantasy Outlook For 2026
| Grey Albright Player Summary |
|---|
Player data for Riley O'Brien maintained by Rudy Gamble | Updated: 2026-09-30 12:15:20 PM EST
