This post contains affiliate links. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Verdict: The most unusual book on our Kindle Unlimited sports shelf, and the smallest. A woman pitching in Major League Baseball, her veteran catcher, an explicit femdom dynamic, and enough on-page baseball that readers who know the game spend their reviews correcting it. Almost nobody has read it.
Best for: Readers who want a woman competing at the top level of a men’s sport, who are actively looking for femdom and kink in a sports romance, and who will not be derailed by rules errors.
Heat level: ★★★★★ (5/5 on romance.io — from only 20 reader ratings, so treat the band as indicative)
Rating: ★★★★☆ (3.9/5 — 3.88 on Goodreads across 495 ratings and 4.01 on StoryGraph)
This is an LRR evidence review. We have not read the book text. Everything below is assembled from Goodreads, StoryGraph, romance.io, Amazon’s own review corpus, the author’s channels and named book blogs — and where the evidence stops, we say so rather than filling the gap.
Wild Pitch opens Cat Giraldo’s Dominating the Diamond series and sits on our Kindle Unlimited sports guide. Sierra Ramirez, 24, is a rookie pitcher and the first woman in Major League Baseball. Mateo Reyes, 35, is her catcher and the team captain. They are colleagues, then they are not, and the power dynamic in the relationship runs the opposite way to the one in the dugout.
Two things our listing did not tell you
First: this is a kink book. romance.io’s two joint-top tags are BDSM and fem-dom, five taggers each — ahead of sports at four. Readers name soft femdom, kink exploration, pegging and temperature play. That is not a criticism, it is a fact readers deserve before they download, and it is the single clearest example on our shelf of a book whose tag profile is led by something other than the sport.
Second: both leads are bisexual. Goodreads reviewers describe it as bi4bi representation, and romance.io carries a bisexuality tag. On a general-romance shelf that is worth flagging for readers looking for it.
How much baseball is actually in Wild Pitch?
A lot — and we know because readers argue about it. That is the strongest evidence type available to us, and it is the same signature we found on Throttled.
The complaints are specific and technical. One Goodreads reviewer walks through a sequence: “the baseball is off… two outs and Sierra is hoping they’ll hit into a double play” — which would be four outs. A StoryGraph reader: “The baseball was SUPER unrealistic and sometimes just wrong.” Another: “I would’ve really loved this book if I knew a lot less about baseball.” A third reader: “if you want a solid sports foundation with just a lil bit of smut, this is not your book.” You cannot count outs in a book that never shows you an inning.
Our keyword measurement agrees but the base is tiny and we will say so plainly: of the book’s 30 US written Amazon reviews, baseball is named in 14 and a game in 7 — 46.7% and 23.3%. Those are the second-highest rates on our whole shelf, but on thirty reviews one person moves the number by three points. We have excluded it from our aggregate figures for exactly that reason. The qualitative evidence carries this grade, not the percentage.
Our grade: CORE SPORT, with HIGH on-page sport — upgraded from MODERATE. A book that gets baseball wrong in ways readers can itemise is a book with a great deal of baseball in it.
The heroine competes, and that is the point
Sierra is the pitcher. Not the physio, not the PR coordinator, not the coach’s daughter — the athlete. She is one of only five women across our thirty-four verified books who genuinely competes, and one of only two, with Face Off, who does it on a men’s professional roster. romance.io reflects it honestly here: athlete heroine and athlete hero are tagged four times each. Readers also flag on-page sexism in the sport, which is the obvious consequence of the premise and appears to be treated seriously.
Book synopsis
Sierra has made it, which means every mistake is a referendum on whether women belong. Mateo has eleven years and a captaincy on her and is the man crouched sixty feet away reading her every pitch. The professional relationship is intimate before anything else is. What follows is a secret relationship inside a clubhouse, with a power exchange that inverts the one everyone else can see.
My review
This is the least-read book on our sports guide by a wide margin and the reception is genuinely split. StoryGraph runs 4.01 with a 5% did-not-finish rate — the highest DNF figure on our shelf. Goodreads sits lower at 3.88. Readers who came for the kink and the premise rate it highly; readers who came for baseball do not.
The other consistent note is a third-act break-up several reviewers call unnecessary, with one adding that the reader is kept out of the heroine’s head during it.
We could not find a single named blog or trade review of this book. Not one. For a title with 495 Goodreads ratings that is not surprising, but it does mean everything above rests on reader platforms.
Is Wild Pitch on Kindle Unlimited?
Yes, verified on 22 August 2026 by reading the Kindle format swatch on the book’s own Amazon product page. Enrolment changes without notice.
How spicy is Wild Pitch?
Band 5 of 5 on romance.io, the top band, though from only 20 ratings. It is one of a handful of band-5 books on our shelf. Expect explicit femdom content specifically, not just high heat.
Does the author publish content warnings?
No public warning set found. The author’s site carries no warnings page and no link to one. Given the kink content that is a real gap, and readers have filled it themselves.
Reader-sourced, and labelled as such: sexism in sports, panic attacks, bullying, a sports injury, a slip and fall, femdom, pegging, temperature play, anxiety and locker-room talk. Three separate Goodreads reviewers publish their own lists. None of it is author-published and we have not verified it against the text.
Ending, cliffhanger and series position
Ending: UNKNOWN. Cliffhanger: none reported. We are not going to write HEA here. No reviewer we could reach states it, and this is a romance published outside the big-imprint conventions, so we are not assuming. There is a third-act break-up; whether the close is a full happy ever after we could not confirm.
Dominating the Diamond book 1. Book 2, Outfield Assist, follows a different lead — a strength and conditioning coach — so the series reads as interconnected standalones.
Audiobook
No audiobook found. The Audible title matching this name is a different book by a different author. If one exists we could not locate it, and audio-with-Kindle-Unlimited is therefore UNKNOWN.
Frequently asked questions
Is Wild Pitch on Kindle Unlimited?
Yes as of 22 August 2026, verified on the book’s own Amazon product page.
Is the heroine really a Major League pitcher?
Yes. Sierra Ramirez is a rookie pitcher and the first woman in the league. She is one of only two women on our whole shelf competing on a men’s professional roster.
Is the baseball accurate?
No, and readers are specific about it — one walks through a sequence that would require four outs in an inning. The sport is heavily present and lightly researched.
Is there kink content?
Yes. BDSM and femdom are romance.io’s two most-applied tags on this book, ahead of the sports tag. Readers name soft femdom, pegging and temperature play.
Does Wild Pitch have a happily ever after?
UNKNOWN. We could not find a reviewer who states it either way, so we are not claiming one. There is a third-act break-up and no reported cliffhanger.
Does the author publish content warnings?
No public warning set was found on the author’s site. Everything circulating is reader-compiled.
If you loved Wild Pitch, read these next
Face Off is the closest match on our shelf — a woman on a men’s professional roster, with a far larger readership. For baseball with the most competition on the page, The Dugout. For another book where readers audit the sport’s accuracy, Throttled.
The bottom line
A small, strange, genuinely distinctive book: the sport is properly on the page, the heroine is the athlete, the kink is central, and the rules are wrong. If those trade-offs sound like yours, nothing else on this shelf is doing the same job.
The Evidence Scorecard
Overall ★★★★☆ 3.9/5
- ✓ 3.88 Goodreads from 495 ratings
- ✓ 4.01 StoryGraph, 5% did-not-finish — the highest on our shelf
- ✓ No named blog or trade review exists
Romance ★★★★☆ 3.9/5
- ✓ Catcher and pitcher, a genuinely intimate professional pairing
- ✓ Explicit femdom power exchange
- ✓ Third-act break-up several readers call unnecessary
Characters ★★★★☆ 4.4/5
- ✓ Heroine is the first woman in the league and the actual athlete
- ✓ Both leads bisexual, per reader accounts
- ✓ Latinx leads, tagged by readers
Writing ★★★☆☆ 3.4/5
- ✓ Dual point of view
- ✓ Readers itemise baseball rule errors
- ✓ Reader kept out of the heroine’s head at the crisis
Emotional Impact ★★★★☆ 3.8/5
- ✓ On-page sexism in the sport treated as a real obstacle
- ✓ Panic attacks flagged by readers
- ✓ Emotional, funny and hopeful on StoryGraph
Heat Level ★★★★★ 4.8/5
- ✓ Band 5 of 5, the top band on romance.io
- ✓ BDSM and femdom are the two most-applied tags
- ✓ Only 20 ratings behind the band
Ending ★★★☆☆ 3/5
- ✓ HEA UNKNOWN — no reviewer states it
- ✓ No cliffhanger reported
- ✓ Third-act break-up present
Re-read Value ★★★★☆ 3.6/5
- ✓ Series continues with a different couple
- ✓ Nothing else on our shelf combines these elements
- ✓ Small readership means little community to read alongside
Affiliate disclosure: the Amazon button below is an affiliate link. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.