Player Information
| Team | STL |
Pos | RP |
Age | 31 |
| Throws | R |
$/Game | 4.1 |
RCL R% | 83 |
Razzball 2026 rest of season projections for Riley O'Brien of the St Louis Cardinals have him as the
#178 ranked player and #17 relief pitcher (RP) worth $6.2 in standard 12 team 5x5 mixed leagues for fantasy baseball.
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Season Stats ||
Monthly Stats ||
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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 | 4 | 0 | 0 | 1 | 0 | 2 | 0 | 2.7 | 8 | 0 | 0 | 0 | 0 | 4 | 0.00 | 0.03 | 0.00 | 0.000 | 0.0 | 13.3 | 0.0 | 0.0 | 50.0 | 0.0 | 18.7 |
| Last 30 Days | 11 | 0 | 0 | 2 | 0 | 6 | 1 | 11.0 | 37 | 4 | 0 | 0 | 0 | 12 | 0.00 | 1.12 | 0.36 | 0.167 | 3.3 | 9.8 | 0.0 | 0.0 | 32.4 | 0.0 | 25.0 |
| Season | 11 | 0 | 0 | 2 | 0 | 6 | 1 | 11.0 | 37 | 4 | 0 | 0 | 0 | 12 | 0.00 | 1.21 | 0.36 | 0.167 | 3.3 | 9.8 | 0.0 | 0.0 | 32.4 | 0.0 | 36.3 |
| ROS Proj | 56 | 0 | 0 | 3 | 3 | 13 | 3 | 56.4 | 240 | 47 | 21 | 4 | 24 | 59 | 3.39 | 3.41 | 1.27 | 0.292 | 7.5 | 9.4 | 3.8 | 0.6 | 24.6 | 10.1 | 6.6 |
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 | $ |
|---|
| 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 | 11 | 0 | 0 | 2 | 0 | 6 | 1 | 37 | 11.0 | 4 | 0 | 0 | 0 | 12 | 0.00 | 1.21 | 0.36 | 0.167 | 0.0 | 0.0 | 9.8 | 36.3 |
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 | 8 | 0 | 0 | 1 | 0 | 5 | 0 | 7.7 | 1 | 0 | 10 | 0 | 0.00 | 0.81 | 0.13 | 0.071 | 1.2 | 11.7 | 0.0 | 0.0 | 31.0 | 12.0 |
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 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: 2026-04-19 09:55:20 PM EST
