George Soriano's Strikeout Surge Has Our Attention — But Not Our Roster Spot Yet
George Soriano's strikeout rate has jumped to 38.5% over the last seven days, up from 28.9% over the trailing 30 days. For a reliever sitting at just 3% rostered, that kind of spike is exactly what WaiverScout's algorithm is built to detect. The classification: Watch. Not add — not yet. But early signs suggest something could be emerging in the Cardinals' bullpen.
The Rolling Window Story
Soriano's last seven days paint an intriguing picture: a 2.43 ERA and 12.16 K/9 across 3.7 innings. The strikeout numbers are legitimately elite. Zoom out to 14 days and the profile holds — a 3.00 ERA with 12.00 K/9 over 6.0 innings, backed by an impressive 2.60 FIP that suggests his run prevention was even better than the ERA indicated.
The 30-day window tells a more complete — and more tempered — story. A 3.85 ERA, 10.00 K/9, and 3.01 FIP over 11.7 innings. Still solid, but not spectacular. The trajectory is what matters here: the strikeout rate is climbing, the ERA is dropping, and the most recent 7-day FIP of 3.91 sits above his 14-day mark of 2.60, hinting that some batted-ball luck may be working against him in a tiny sample.
The Save Opportunities Add Intrigue
Here's where it gets interesting for deeper-league managers. CBS Sports noted Soriano recording a clean ninth-inning save against the Pirates, and NFBC tracked a second save on his ledger this season. He's not the closer — that role in St. Louis involves names like Raisel Iglesias and Seranthony Domínguez — but sporadic save chances combined with this strikeout upside make him a more compelling hold in categories leagues than his 3% ownership suggests.
WaiverScout's History With Soriano
We've been tracking Soriano since early April, and we'll be transparent: our algorithm flagged him as deprioritize seven consecutive times dating back to April 3. The stuff wasn't translating. The ratios weren't there. But that history is precisely why this signal upgrade to Watch matters. After months of underwhelming output, the strikeout rate has surged meaningfully — 38.5% over the last week is not a marginal improvement. It's a gear change. Something has shifted, and we're paying attention for the first time this season.
The Caution
Confidence here is classified as early signal, and that label is doing heavy lifting. We're talking about 3.7 innings in the 7-day window. The journeyman profile is real — Soriano was claimed off waivers by multiple organizations before landing in St. Louis, as MLB.com's transaction log documents. This is not a prospect breaking out. This is a reliever who could be riding a hot stretch, and the sample demands patience before committing a roster spot.
Most fantasy outlets aren't talking about Soriano at all right now. That's either a window or a warning — and with this little data, we can't be certain which.
The Verdict: Watch
Do not add George Soriano in standard leagues. In deep formats or leagues that reward holds and strikeouts heavily, he's worth monitoring over the next 10-14 days. If that 38.5% K rate sustains and the save opportunities continue to trickle in alongside Kenley Jansen and the rest of the Cardinals' late-inning mix, the classification could shift. For now, keep him on your watchlist and let the innings accumulate. WaiverScout ignored Soriano for three months. The numbers finally gave us a reason to look twice.