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August 27, 2024 |
St. Louis Cardinals recalled RHP Riley O'Brien from Memphis Redbirds. |
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August 11, 2024 |
St. Louis Cardinals activated RHP Riley O'Brien from the 60-day injured list. |
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August 11, 2024 |
St. Louis Cardinals optioned RHP Riley O'Brien to Memphis Redbirds. |
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July 19, 2024 |
St. Louis Cardinals sent RHP Riley O'Brien on a rehab assignment to Memphis Redbirds. |
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July 19, 2024 |
St. Louis Cardinals sent RHP Riley O'Brien on a rehab assignment to Memphis Redbirds. |
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May 10, 2024 |
St. Louis Cardinals transferred RHP Riley O'Brien from the 15-day injured list to the 60-day injured list. Right forearm flexor strain. |
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March 31, 2024 |
St. Louis Cardinals placed RHP Riley O'Brien on the 15-day injured list retroactive to March 29, 2024. Right forearm flexor strain. |
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November 5, 2023 |
Seattle Mariners traded RHP Riley O'Brien to St. Louis Cardinals for cash. |
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January 31, 2023 |
RHP Riley O'Brien roster status changed by Seattle Mariners. |
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January 31, 2023 |
Seattle Mariners invited non-roster RHP Riley O'Brien to spring training. |
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July 26, 2022 |
Tacoma Rainiers activated RHP Riley O'Brien. |
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July 26, 2022 |
Tacoma Rainiers activated RHP Riley O'Brien. |
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June 30, 2022 |
Tacoma Rainiers transferred RHP Riley O'Brien to the Development List. |
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June 2, 2022 |
Seattle Mariners sent RHP Riley O'Brien outright to Tacoma Rainiers. |
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May 27, 2022 |
Seattle Mariners designated RHP Riley O'Brien for assignment. |
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May 8, 2022 |
Seattle Mariners optioned RHP Riley O'Brien to Tacoma Rainiers. |
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May 5, 2022 |
Seattle Mariners recalled RHP Riley O'Brien from Tacoma Rainiers. |
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April 17, 2022 |
RHP Riley O'Brien assigned to Louisville Bats. |
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April 17, 2022 |
Seattle Mariners optioned RHP Riley O'Brien to Tacoma Rainiers. |
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April 13, 2022 |
Cincinnati Reds designated RHP Riley O'Brien for assignment. |
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March 27, 2022 |
Louisville Bats activated RHP Riley O'Brien. |
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March 27, 2022 |
Cincinnati Reds optioned RHP Riley O'Brien to Louisville Bats. |
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October 5, 2021 |
Cincinnati Reds recalled RHP Riley O'Brien from Louisville Bats. |
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September 30, 2021 |
Cincinnati Reds optioned RHP Riley O'Brien to Louisville Bats. |
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September 28, 2021 |
Cincinnati Reds recalled RHP Riley O'Brien from Louisville Bats. |
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May 4, 2021 |
RHP Riley O'Brien assigned to Louisville Bats from Reds Alternate Training Site. |
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March 29, 2021 |
P Riley O'Brien assigned to Reds Alternate Training Site from Louisville Bats. |
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March 12, 2021 |
Cincinnati Reds optioned P Riley O'Brien to Louisville Bats. |
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February 3, 2021 |
Riley O'Brien changed number to 84. |
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November 20, 2020 |
Cincinnati Reds selected the contract of RHP Riley O'Brien from Chattanooga Lookouts. |
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October 2, 2020 |
RHP Riley O'Brien assigned to Chattanooga Lookouts from Reds Alternate Training Site. |
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August 28, 2020 |
RHP Riley O'Brien assigned to Reds Alternate Training Site. |
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August 28, 2020 |
Tampa Bay Rays traded Riley O'Brien to Cincinnati Reds for LHP Cody Reed. |
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September 9, 2019 |
Montgomery Biscuits activated RHP Riley O'Brien from the 7-day injured list. |
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July 26, 2019 |
Montgomery Biscuits placed RHP Riley O'Brien on the 7-day injured list. |
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May 7, 2019 |
RHP Riley O'Brien assigned to Montgomery Biscuits from Charlotte Stone Crabs. |
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April 1, 2019 |
RHP Riley O'Brien assigned to Charlotte Stone Crabs from Montgomery Biscuits. |
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February 23, 2019 |
RHP Riley O'Brien assigned to Tampa Bay Rays. |
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September 11, 2018 |
RHP Riley O'Brien assigned to Montgomery Biscuits from Durham Bulls. |
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September 5, 2018 |
RHP Riley O'Brien assigned to Durham Bulls from Charlotte Stone Crabs. |
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August 26, 2018 |
Charlotte Stone Crabs activated RHP Riley O'Brien from the 7-day disabled list. |
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August 10, 2018 |
Charlotte Stone Crabs placed RHP Riley O'Brien on the 7-day disabled list retroactive to August 9, 2018. |
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June 23, 2018 |
RHP Riley O'Brien assigned to Charlotte Stone Crabs from Bowling Green Hot Rods. |
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June 18, 2018 |
RHP Riley O'Brien assigned to MID East Division All-Stars. |
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April 2, 2018 |
RHP Riley O'Brien assigned to Bowling Green Hot Rods from Princeton Rays. |
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June 21, 2017 |
RHP Riley O'Brien assigned to Princeton Rays. |
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June 20, 2017 |
Tampa Bay Rays signed RHP Riley O'Brien. |