Appendicitis Sidelines Romero; Blewett Gets Cardinals Rotation Audition

JoJo Romero is headed to the injured list with appendicitis, retroactive to July 14, clearing a roster spot for right-hander Scott Blewett's promotion. The Cardinals also designated catcher Yohel Pozo for assignment to make room on the 40-man roster. It's a routine procedural move made urgent by Romero's medical situation—the kind of injury that sidelines players for weeks, not days.

Romero's absence matters more for what it signals about St. Louis's depth than for the immediate loss of his arm. The left-hander was in the final year of his contract and had been discussed as a potential trade chip ahead of the deadline. That conversation is now off the table. More immediately, the Cardinals are down a bullpen option during a race where July games still carry playoff weight. Romero had appeared in 38 games this season before the injury, a reliable long-relief option with a 3.21 ERA over 56 innings.

Blewett's promotion is the story worth tracking. The 27-year-old right-hander has been pitching at Triple-A Memphis, and this represents his first extended look at the major-league level. How the Cardinals deploy him—spot starter, long relief, or closer matchups—will telegraph their confidence in a relatively unknown arm. If Blewett takes meaningful innings without implosion, the team saves money and roster flexibility down the stretch. If he struggles, the Cardinals absorb extra bullpen stress at a time when every October contender trades depth for depth.

For bettors, the timing compounds an already volatile market: Romero's removal from the reliever pool doesn't create a direct prop edge, but it does shrink St. Louis's bullpen resilience in high-leverage spots. When a team loses a proven relief arm mid-season, team totals tend to compress slightly as oddsmakers price in marginally lower scoring probability. The Cardinals' bullpen ERA over the last 15 games sits at 3.47; expect books to shade team totals down 0.1–0.2 runs over the next few series. More valuable is tracking Blewett's actual usage. If he becomes a de facto closer or assumes high-leverage ninth-inning work, his ERA line will be noisy and overbought early; if he's buried in middle innings, his strikeout rate inflates artificially. Neither scenario is a bet—both are timing indicators for when to fade or hunt relief-heavy under totals against the Cardinals.