Player Information
| Team | STL |
Pos | RP |
Age | 30 |
| Throws | R |
$/Game | 0.0 |
RCL R% | 21 |
Razzball 2025 rest of season projections for Riley O'Brien of the St Louis Cardinals have him as the
#1287 ranked player and #172 relief pitcher (RP) worth $0.0 in standard 12 team 5x5 mixed leagues for fantasy baseball.
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Season Stats ||
Monthly Stats ||
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2024 Fantasy Outlook
| Grey Albright's 2025 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 4 | 1 | 0 | 0 | 0 | 2 | 0.00 | -0.97 | 1.00 | 0.500 | 9.0 | 18.0 | 0.0 | 0.0 | 50.0 | 0.0 | -9.7 |
| Season | 42 | 0 | 0 | 3 | 1 | 6 | 6 | 48.0 | 200 | 33 | 11 | 2 | 22 | 45 | 2.06 | 3.61 | 1.15 | 0.252 | 6.2 | 8.4 | 4.1 | 0.4 | 22.5 | 11.0 | -2.9 |
| ROS Proj | 57 | 0 | 0 | 0 | 0 | 3 | 11 | 56.7 | 227 | | 23 | | | | 3.60 | | | | | | | | | | 0.0 |
Riley O'Brien 2025 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 28 | @CHC | | 8 | 1.0 | 4 | 13 | 1 | 0 | 0 | 0 | 2 | 0 | 0.00 | -0.86 | 1.00 | 2.9 |
| Sep 24 | @SF | L | 8 | 1.0 | 6 | 16 | 2 | 1 | 1 | 1 | 0 | 0 | 9.00 | 6.14 | 3.00 | -60.5 |
| Sep 23 | @SF | SV | 9 | 0.3 | 1 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | 40.5 |
| Sep 21 | MIL | | 9 | 1.0 | 4 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 6.15 | 0.00 | 1.7 |
| Sep 20 | MIL | | 8 | 1.3 | 5 | 19 | 0 | 0 | 0 | 1 | 1 | 0 | 0.00 | 3.89 | 0.75 | 6.0 |
| Sep 16 | CIN | SV | 9 | 1.0 | 3 | 9 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.15 | 0.00 | 57.7 |
| Sep 14 | @MIL | SV | 9 | 1.0 | 4 | 16 | 0 | 0 | 0 | 1 | 2 | 0 | 0.00 | 2.15 | 1.00 | 51.3 |
| Sep 13 | @MIL | | 9 | 0.0 | 4 | 18 | 2 | 3 | 3 | 0 | 0 | 0 | | 0.00 | 0.00 | -69.3 |
| Sep 10 | @SEA | | 10 | 2.0 | 10 | 31 | 2 | 1 | 0 | 2 | 2 | 0 | 0.00 | 4.14 | 2.00 | 7.1 |
| Sep 7 | SF | SV | 9 | 1.0 | 3 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.14 | 1.00 | 36.2 |
| Sep 6 | SF | W | 9 | 1.0 | 3 | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.14 | 0.00 | 36.4 |
| Aug 28 | PIT | HLD | 8 | 1.0 | 4 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 6.12 | 0.00 | 1.7 |
| Aug 25 | PIT | | 8 | 1.7 | 6 | 21 | 1 | 1 | 1 | 0 | 1 | 0 | 5.29 | 3.72 | 0.60 | -3.1 |
| Aug 19 | @MIA | SV | 9 | 1.0 | 5 | 18 | 0 | 0 | 0 | 2 | 2 | 0 | 0.00 | 5.12 | 2.00 | 37.5 |
| Aug 17 | NYY | BSV | 7 | 1.7 | 6 | 24 | 1 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.72 | 0.60 | 23.7 |
| Aug 13 | COL | HLD | 8 | 1.0 | 5 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.11 | 2.00 | -26.0 |
| Aug 10 | CHC | HLD | 8 | 0.7 | 3 | 13 | 0 | 0 | 0 | 1 | 1 | 0 | 0.00 | 0.00 | 1.49 | -19.0 |
| Aug 8 | CHC | | 9 | 1.0 | 3 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.11 | 0.00 | 1.7 |
| Aug 6 | @LAD | SV | 8 | 1.3 | 5 | 20 | 0 | 0 | 0 | 1 | 0 | 0 | 0.00 | 5.36 | 0.75 | 46.9 |
| Aug 4 | @LAD | | 8 | 1.0 | 4 | 6 | 1 | 1 | 1 | 0 | 0 | 0 | 9.00 | 3.11 | 1.00 | -32.8 |
| Jul 30 | MIA | | 7 | 1.3 | 4 | 12 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.59 | 0.00 | 16.2 |
| Jul 26 | SD | | 8 | 1.0 | 3 | 15 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.09 | 0.00 | 9.2 |
| Jul 24 | SD | HLD | 6 | 0.3 | 3 | 13 | 1 | 0 | 0 | 1 | 1 | 0 | 0.00 | 0.00 | 6.06 | -59.0 |
| Jul 22 | @COL | | 8 | 1.0 | 7 | 31 | 1 | 1 | 0 | 2 | 1 | 0 | 0.00 | 7.09 | 3.00 | -32.3 |
| Jul 20 | @ARI | | 6 | 1.0 | 3 | 17 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | -0.91 | 0.00 | 16.7 |
| Jul 13 | ATL | HLD | 7 | 1.7 | 7 | 27 | 1 | 0 | 0 | 1 | 2 | 0 | 0.00 | 2.48 | 1.20 | 15.8 |
| Jul 11 | ATL | | 4 | 2.0 | 9 | 38 | 2 | 0 | 0 | 1 | 4 | 0 | 0.00 | 0.58 | 1.50 | 25.2 |
| Jul 6 | @CHC | | 5 | 2.0 | 9 | 39 | 2 | 0 | 0 | 0 | 3 | 0 | 0.00 | 1.58 | 1.00 | 24.5 |
| Jul 2 | @PIT | | 7 | 0.7 | 5 | 20 | 2 | 1 | 1 | 1 | 1 | 0 | 12.86 | 0.00 | 4.48 | -76.7 |
| Jun 29 | @CLE | | 8 | 1.0 | 5 | 26 | 0 | 0 | 0 | 2 | 3 | 0 | 0.00 | 3.09 | 2.00 | -3.5 |
| Jun 26 | CHC | | 6 | 1.0 | 4 | 16 | 0 | 0 | 0 | 1 | 1 | 0 | 0.00 | 4.07 | 1.00 | -4.7 |
| Jun 23 | CHC | | 8 | 1.0 | 4 | 19 | 1 | 0 | 0 | 0 | 0 | 0 | 0.00 | 3.07 | 1.00 | -12.2 |
| Jun 20 | CIN | | 9 | 0.7 | 3 | 13 | 0 | 0 | 0 | 1 | 2 | 0 | 0.00 | 0.00 | 1.49 | -11.5 |
| Jun 19 | @CHW | | 6 | 1.0 | 3 | 14 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.06 | 0.00 | 9.2 |
| Jun 17 | @CHW | | 7 | 2.0 | 6 | 25 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 2.07 | 0.50 | 17.5 |
| Jun 13 | @MIL | | 8 | 1.0 | 3 | 17 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.08 | 0.00 | 9.2 |
| Jun 11 | TOR | | 6 | 2.0 | 8 | 26 | 2 | 0 | 0 | 1 | 1 | 0 | 0.00 | 3.58 | 1.50 | 6.4 |
| Jun 9 | TOR | | 7 | 2.0 | 7 | 22 | 3 | 1 | 1 | 0 | 0 | 1 | 4.50 | 9.57 | 1.50 | -16.4 |
| Jun 5 | KC | | 7 | 1.7 | 6 | 25 | 1 | 0 | 0 | 0 | 1 | 0 | 0.00 | 1.88 | 0.60 | 16.3 |
| May 1 | @CIN | | 6 | 1.7 | 8 | 34 | 1 | 3 | 3 | 1 | 2 | 1 | 15.88 | 12.07 | 1.20 | -42.7 |
| Apr 28 | @CIN | | 7 | 0.7 | 4 | 12 | 2 | 0 | 0 | 1 | 0 | 0 | 0.00 | 0.00 | 4.48 | -63.3 |
| Apr 26 | MIL | HLD | 7 | 0.3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | -15.5 |
Riley O'Brien Stats | Season
Riley O'Brien stats and 5x5 fantasy value from 2013-2025.
| 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 |
Riley O'Brien Stats | Monthly
Riley O'Brien 2025 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 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1.0 | 2 | 0 | 0 | 1 | 0.00 | 6.03 | 3.00 | 0.500 | 9.9 | 0.0 | 9.0 | 0.0 | -13.6 | -15.8 |
| May | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.7 | 1 | 3 | 2 | 1 | 16.17 | 12.01 | 1.20 | 0.000 | 5.4 | 10.8 | 5.4 | 5.4 | -12.6 | -24.9 |
| June | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 13.3 | 8 | 1 | 11 | 5 | 0.68 | 3.48 | 0.98 | 0.219 | 5.4 | 7.4 | 3.4 | 0.7 | -1.8 | -3.5 |
| July | 9 | 0 | 0 | 0 | 0 | 0 | 2 | 11.0 | 9 | 1 | 16 | 6 | 0.82 | 2.03 | 1.36 | 0.333 | 7.4 | 13.1 | 4.9 | 0.0 | -4.9 | -6.0 |
| August | 9 | 0 | 0 | 2 | 0 | 2 | 3 | 10.3 | 5 | 2 | 6 | 4 | 1.74 | 3.61 | 0.87 | 0.172 | 4.4 | 5.2 | 3.5 | 0.0 | 5.6 | 3.8 |
| September | 11 | 0 | 0 | 1 | 1 | 4 | 0 | 10.7 | 8 | 4 | 10 | 5 | 3.38 | 3.40 | 1.22 | 0.276 | 6.8 | 8.4 | 4.2 | 0.0 | 3.5 | -1.0 |
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 2025 Projections | Preseason
Riley O'Brien Fantasy Outlook For 2024
| Grey Albright Player Summary |
Player data for Riley O'Brien maintained by Rudy Gamble | Updated: 2025-10-28 02:00:20 PM EST
