The St. Louis Cardinals are expected to have several interesting trade candidates to monitor throughout the 2026 season, especially as President of Baseball Operations Chaim Bloom continues to show a willingness to make bold roster decisions. Bloom’s track record around the league suggests he is not afraid to move high-profile players if it benefits the organization long term, and that mindset could again shape the Cardinals’ direction as the season unfolds. Even if the team remains competitive, there are already several players whose performance, contract situation, or upside could make them strong trade chips. Here are four names that stand out as potential movers.
Lars Nootbaar
Lars Nootbaar is one of the most intriguing names on the Cardinals’ roster, though his current status on the 60-day injured list complicates his short-term outlook. He is expected to be eligible to return around late May, and his recovery from offseason heel surgery will be closely monitored. Before the injury, Nootbaar had already been viewed as a possible trade asset due to his strong on-base skills, versatility, and appeal to contending teams. If he returns healthy and quickly regains his previous form, he could become one of the most sought-after position players leading up to the trade deadline. His combination of youth, offensive upside, and defensive flexibility makes him a valuable piece in a market that often favors controllable outfielders.
Dustin May
Dustin May has recently begun to show why the Cardinals targeted him, delivering a dominant stretch on the mound. Over his last 17-plus innings, he has allowed only three earned runs while posting a 3-0 record and maintaining a sharp 1.56 ERA. During that run, he has struck out 13 batters while issuing just two walks, showing improved command and effectiveness. When healthy, May has the profile of a frontline starting pitcher, and at 28 years old, he is entering a prime stage of his career. If he sustains this level of performance, he could quickly become one of the most attractive starting pitchers available at the deadline, especially for teams in need of postseason rotation help.
JoJo Romero
JoJo Romero stands out as one of the most obvious bullpen trade candidates for St. Louis. He was already mentioned in trade discussions during the offseason, but the Cardinals ultimately decided to keep him. So far in 2026, he has responded with strong production, recording a 2.25 ERA through his first 11 appearances. Despite his effectiveness, his status as an impending free agent makes him a logical candidate to be moved if the Cardinals fall out of contention or choose to maximize value. Contending teams often seek reliable left-handed relievers, and Romero’s steady performance could make him a popular option later in the season.
Riley O’Brien
Riley O’Brien is currently one of the most dominant relievers in baseball and could become a cornerstone piece or a massive trade asset depending on the Cardinals’ direction. He has been outstanding through 13 appearances, allowing no earned runs while compiling a 3-0 record and seven saves. His 15-to-0 strikeout-to-walk ratio over 13 1/3 innings highlights his elite control and swing-and-miss ability. Under team control through 2030, O’Brien carries significant long-term value, which also increases his trade market appeal. If he maintains this level of dominance throughout the season, rival teams would likely be willing to offer a substantial package to acquire one of the most effective and controllable relievers in the league.
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