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Riley O'Brien
Projections & Stats

STL

Player Information

TeamSTL PosRP Age30
ThrowsR $/Game-2.0 RCL R%0

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Razzball 2025 rest of season projections for Riley O'Brien of the St Louis Cardinals have him as the #600 ranked player and #216 relief pitcher (RP) worth $-11.1 in standard 12 team 5x5 mixed leagues for fantasy baseball.

Jump to: Season Stats || Monthly Stats || Game Log || Player Rater || 2024 Fantasy Outlook
Grey Albright's 2025 Player Summary

Riley O'Brien Stats

GGSQSWLSVHLDIPTBFHERHRBBKERAFIPWHIPBABIPH/9K/9BB/9HR/9K%BB%$
Last 7 Days40000006.724611131.354.531.040.2638.14.01.31.312.54.2-3.1
Last 30 Days40000006.724611131.354.531.040.2638.14.01.31.312.54.2-4.6
Season70000019.337942353.866.081.290.2698.74.82.91.913.58.1-14.3
ROS Proj2800110327.61182511213273.603.821.350.3028.28.84.20.723.010.6-11.1

Riley O'Brien 2025 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)
Preseason (Steamer)4600220746.2198412046223.953.991.369.04.20.823.210.9-6.7570
Prospectonator60003360.0257542459273.561.358.94.10.823.110.5-3.8

Riley O'Brien Projections | Streamonator (Subscribe/login to see pitcher projections)

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 Projections | DFS (Subscribe to see DFS MLB projections)

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 Trade Value | Try our free Fantasy Baseball Trade Analyzer to evaluate trade offers.

Riley O'Brien Game Log | Games Started

OPPDECIPBFPCHRERBBKERAFIPWHIPBABIPHRProj $Act $

Riley O'Brien Game Log | Last 30 Day Relief Appearances

OPPDECIPStartIPBFPCHRERBBKHRERAFIPWHIP$
Jun 13@MIL81.03170000100.001.080.009.2
Jun 11TOR62.08262001100.003.581.506.4
Jun 9TOR72.07223110014.509.571.50-16.4
Jun 5KC71.76251000100.001.880.6016.3
May 1@CIN61.783413312115.8812.071.20-42.7
Apr 28@CIN70.74122001000.000.004.48-63.3
Apr 26MILHLD70.3120000000.000.000.00-15.5

Riley O'Brien Stats | Season

Riley O'Brien stats and 5x5 fantasy value from 2013-2025.
PeriodTeamGGSQSWLSVHLDBFIPHERHRBBKERAFIPWHIPBABIPHR/9BB/9K/9$
2013 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2014 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2015 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2016 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2017 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2018 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2019 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2020 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2021CIN11001001.02223213.5026.423.7513.520.313.5-14.8
2022SEA100000051.0100110.004.112.000.3330.09.09.0-15.1
2023 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
2024STL8000000468.01310281111.257.042.630.4782.39.012.4-18.4
2025STL7000001379.0942353.866.081.290.2691.92.94.8-14.3

Riley O'Brien Stats | Monthly

Riley O'Brien 2025 fantasy value by month for 5x5 leagues.
GGSQSWLSVHLDIPHERKBBERAFIPWHIPBABIPH/9K/9BB/9HR/9$$/G$
April20000011.020010.006.033.000.5009.90.09.00.0-13.6-15.8
May10000001.7132116.1712.011.200.0005.410.85.45.4-12.6-24.9
June40000006.761311.354.531.050.2638.14.11.41.4-8.0-6.9
August20000002.0333013.506.531.500.3339.913.50.04.5-15.1-19.6
September50000005.0866610.807.432.800.4129.910.89.91.8-27.6-30.8

Riley O'Brien Fantasy Baseball | Rest of Season Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-18.5-3.70.0-18.80.2-0.2-0.7204639
MLB 10 Y!-9.9-4.0-1.2-8.70.8-0.5-1.2261522
MLB 12 ESPN-11.1-4.30.0-11.50.2-0.2-0.6216600
MLB 12 Y!-8.1-4.6-1.2-6.90.7-0.5-1.1261546
MLB 14 ESPN-6.9-4.80.0-7.80.30.0-0.4207563
MLB 14 Y!-6.2-5.1-1.1-5.50.7-0.4-0.9256553
MLB 15 ESPN-6.1-5.10.0-6.80.3-0.1-0.5207595
MLB 15 Y!-5.9-5.4-1.1-5.10.6-0.4-0.9261577
MLB 16 ESPN-6.0-5.20.0-6.60.3-0.1-0.6214617
MLB 16 Y!-5.8-5.6-1.1-4.90.6-0.4-0.9261603
AL 10
NL 10-7.2-3.70.0-8.10.00.0-0.1105389
AL 12
NL 12-5.4-4.10.0-6.40.00.00.095412

Riley O'Brien Fantasy Baseball | Rest of Season Player Rater (non-standard 5x5)

$Point Shares$W$$SV$$ERA$$WHIP$$K$$QS$$HLD$Pos RkTot Rk
6x6 (QS) ESPN 12-7.1-4.30.0-7.40.3-0.2-0.80.00.0213326
6x6 (QS) Y! 12-6.4-4.6-1.0-5.50.5-0.4-1.00.00.0261367
6x6 (Holds) ESPN 12-38.6-4.7-0.6-20.10.3-0.8-2.40.0-16.0274581
6x6 (Holds) Y! 12-8.4-6.5-0.9-5.10.1-0.4-0.90.0-2.2289411
7x7 ESPN 12-22.3-4.9-0.4-25.30.2-0.4-1.40.04.0165342
7x7 Y! 12-8.8-6.8-0.9-5.50.2-0.4-0.90.0-2.4290413

Riley O'Brien Fantasy Baseball | Preseason Player Rater

$Point Shares$W$$SV$$ERA$$WHIP$$K$Pos RkTot Rk
MLB 10 ESPN-9.5-4.4-0.2-9.00.1-0.5-0.9243548
MLB 10 Y!-3.4-2.3-0.2-2.60.1-0.5-1.2235441
MLB 12 ESPN-6.7-4.50.0-6.80.2-0.4-0.7235570
MLB 12 Y!-4.5-2.8-0.3-2.90.0-0.8-1.5238484
MLB 14 ESPN-4.9-4.70.0-5.20.2-0.2-0.7236593
MLB 14 Y!-5.3-3.3-0.5-2.90.0-1.0-1.9246537
MLB 15 ESPN-4.6-4.70.0-4.70.2-0.3-0.8239616
MLB 15 Y!-5.7-3.6-0.5-2.8-0.1-1.1-2.2243570
MLB 16 ESPN-4.4-4.80.1-4.70.2-0.2-0.8231646
MLB 16 Y!-6.3-3.8-0.6-3.1-0.1-1.2-2.3242614
AL 10
NL 10-4.2-4.20.0-4.70.0-0.1-0.4121389
AL 12
NL 12-3.4-4.40.0-4.00.0-0.1-0.3117410

Riley O'Brien Fantasy Baseball | Preseason Player Rater (non-standard 5x5)

$Point Shares$W$$SV$$ERA$$WHIP$$K$$QS$$HLD$Pos RkTot Rk
6x6 (QS) ESPN 12-4.6-4.50.0-4.60.2-0.4-0.80.0232324
6x6 (Holds) ESPN 12-4.6-4.50.0-4.60.2-0.4-0.80.075324
7x7 ESPN 12-34.1-7.2-1.3-12.1-0.1-2.1-3.60.0-15.9268492

Riley O'Brien 2025 Projections | Preseason

GGSQSWLSVHLDIPTBFHERKBBERAFIPWHIPK/9BB/9HR/9K%BB%$All Rank
Preseason (Grey)
Preseason (Steamer)4600220746.2198412046223.953.991.369.04.20.823.210.9-6.7570
Prospectonator60003360.0257542459273.561.358.94.10.823.110.5-3.8

Riley O'Brien Fantasy Outlook For 2024

Grey Albright Player Summary

Player data for Riley O'Brien maintained by | Updated: