Player Information
| Team | STL |
Pos | RP |
Age | 31 |
| Throws | R |
$/Game | 4.2 |
RCL R% | 100 |
Razzball 2026 rest of season projections for Riley O'Brien of the St Louis Cardinals have him as the
#161 ranked player and #16 relief pitcher (RP) worth $7.7 in standard 12 team 5x5 mixed leagues for fantasy baseball.
Jump to:
Season Stats ||
Monthly Stats ||
Game Log ||
Player Rater ||
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 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 2.7 | 10 | 4 | 2 | 1 | 0 | 3 | 6.75 | 0.78 | 1.48 | 0.200 | 13.3 | 10.0 | 0.0 | 3.4 | 40.0 | 0.0 | -0.2 |
| Last 30 Days | 12 | 0 | 0 | 2 | 1 | 8 | 0 | 10.7 | 50 | 11 | 4 | 1 | 1 | 13 | 3.38 | 1.15 | 1.12 | 0.387 | 9.3 | 10.9 | 0.8 | 0.8 | 32.0 | 2.0 | 16.5 |
| Season | 18 | 0 | 0 | 3 | 1 | 11 | 1 | 18.0 | 76 | 15 | 4 | 1 | 1 | 20 | 2.00 | 1.41 | 0.89 | 0.327 | 7.5 | 10.0 | 0.5 | 0.5 | 30.3 | 1.3 | 26.1 |
| ROS Proj | 49 | 0 | 0 | 3 | 2 | 12 | 5 | 48.8 | 206 | 41 | 18 | 4 | 20 | 52 | 3.29 | 3.35 | 1.26 | 0.297 | 7.6 | 9.6 | 3.7 | 0.7 | 25.0 | 9.7 | 7.9 |
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 | $ |
|---|
| 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 | 18 | 0 | 0 | 3 | 1 | 11 | 1 | 76 | 18.0 | 15 | 4 | 1 | 1 | 20 | 2.00 | 1.41 | 0.89 | 0.327 | 0.5 | 0.5 | 10.0 | 26.1 |
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 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 2.7 | 4 | 2 | 3 | 0 | 6.75 | 0.78 | 1.50 | 0.444 | 9.9 | 10.1 | 0.0 | 0.0 | -3.2 | -4.0 |
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: 2026-05-11 06:45:20 PM EST
