Cardinals Kick Off Offseason with New Pitching Prospect: Who is Riley O'Brien?


Cardinals Kick Off Offseason with New Pitching Prospect: Who is Riley O'Brien?
Cardinals Kick Off Offseason with New Pitching Prospect: Who is Riley O'Brien? © Steph Chambers/GettyImages

The St. Louis Cardinals, gearing up for what could be a transformational 2023 offseason, have made a strategic addition to their pitching staff by acquiring right-handed pitcher Riley O'Brien from the Seattle Mariners. This move, which introduces O'Brien's promising arm into the Cardinals' mix, suggests a focus on depth and development as the team fortifies its roster for the upcoming season.

O'Brien, 28, a Pacific Coast League All-Star, has impressed scouts and analysts alike with his minor league performance. With a notable 86 strikeouts and a sterling 2.29 ERA across 55 innings pitched for the Mariners' Class AAA affiliate, he's demonstrated the kind of prowess that the Cardinals are eager to tap into.

Derrick Goold, covering the beat for the Cardinals, underscored the potential of this trade, indicating the organization's intent to shore up its bullpen which recorded a middling 4.47 ERA in the past season.

O'Brien's Spiraling Path

A Seattle native, O'Brien's journey to St.

Louis has been a circuitous one. Drafted by the Tampa Bay Rays in the 2017 draft's 8th round, he first made waves with the Cincinnati Reds' Triple-A Louisville Bats, culminating a mixed 2020 season with a 4.55 ERA. His 2021 promotion to the majors was a short-lived prelude to his 2022 season, which after a fleeting appearance with the Mariners' main squad, saw him refined his craft in Tacoma, showcasing a robust 3.11 ERA with an imposing strikeout record in Triple-A play.

The terms of the trade send O'Brien to the Cardinals in exchange for a player to be named later and cash considerations, marking an auspicious start for what the Cardinals hope will be O'Brien's defining MLB tenure. Kerri Hong, a keen observer of the Mariners' prospects, praised O'Brien's ability to handle high-pressure situations – a testament to his readiness for the challenges ahead in St.

Louis. With the postseason giving way to the off-season's wheeling and dealing, O'Brien's acquisition is but the first in a series of moves as teams recalibrate. The Cardinals have set a precedent for the kind of talent they're looking to attract, spotlighting players with the potential to rise to MLB prominence.

As the countdown to 2024 spring training dips below the 100-day mark, the shuffling of major league rosters continues at a feverish pace. Fans and experts alike can expect a flurry of activity as teams like the Cardinals seek to address their needs, with the goal of not just competing but prevailing in the next championship chase.

For players like Riley O'Brien, it’s an opportunity to cement their place in the big league and contribute to the storied legacy of their new franchises.