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Riley O'Brien
Projections & Stats

STL

Player Information

TeamSTL PosRP Age30
ThrowsR $/Game-2.3 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 #553 ranked player and #191 relief pitcher (RP) worth $-10.8 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 Days
Last 30 Days30000012.7133312210.119.771.850.28610.06.76.73.415.415.4-9.0
Season30000012.7133312210.139.861.870.28610.06.76.73.415.415.4-22.7
ROS Proj36002201136.01533115317373.633.821.340.2997.89.34.30.824.211.2-10.8

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
Prospectonator60003360.0257532462283.591.359.34.20.824.111.0-3.8

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$
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
2025STL3000001133.03312210.139.861.870.2863.36.76.7-22.7

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
May10000001.7132116.1712.011.200.0005.410.85.45.4-15.5-26.4
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-14.0-3.70.0-14.90.30.0-0.4180538
MLB 10 Y!-8.6-3.50.2-9.20.5-0.1-1.0170404
MLB 12 ESPN-10.8-4.3-0.1-11.10.2-0.2-0.6191553
MLB 12 Y!-6.1-4.00.2-6.80.5-0.1-0.8175440
MLB 14 ESPN-6.8-4.80.0-7.60.3-0.1-0.4189544
MLB 14 Y!-5.1-4.30.2-5.80.4-0.1-0.7172448
MLB 15 ESPN-6.0-5.00.0-6.70.3-0.1-0.5185565
MLB 15 Y!-4.8-4.50.2-5.50.4-0.1-0.8171464
MLB 16 ESPN-5.8-5.20.0-6.50.3-0.1-0.5180585
MLB 16 Y!-4.5-4.70.2-5.10.4-0.1-0.8172481
AL 10
NL 10-6.1-3.70.0-7.10.00.00.090343
AL 12
NL 12-4.9-4.30.0-6.00.00.10.072355

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 12-7.0-4.2-0.1-7.20.3-0.2-0.80.00.0187286
6x6 (QS) Y! 12-5.8-3.90.0-6.10.3-0.2-0.80.00.0170261
6x6 (Holds) ESPN 12-27.8-3.7-0.7-21.90.3-0.7-1.90.0-3.9113316
6x6 (Holds) Y! 12-5.4-4.9-0.1-4.90.1-0.2-0.70.0-0.5130227
7x7 ESPN 12-21.1-3.5-0.3-22.00.2-0.3-1.00.01.3459634
7x7 Y! 12-4.1-5.2-0.1-3.90.0-0.1-0.50.0-0.5128215

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
Prospectonator60003360.0257532462283.591.359.34.20.824.111.0-3.8

Riley O'Brien Fantasy Outlook For 2024

Grey Albright Player Summary

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