Jack Kochanowicz is the type of pitcher who was built to live under the strikeout line, not near it. He is an extreme groundball, sinker-slider starter with a modest 3.1 career strikeouts per outing and a 56.5 percent under rate at this exact number. His last five starts have produced only 10 total strikeouts, an average of 2.0 per appearance. The 3.5 line is a full strikeout above his recent trend, and the Reds are a middle of the pack contact lineup. At nearly even money (-106), the price is a gift.
Jack Kochanowicz is set at 3.5 strikeouts on DraftKings with the under at -106 for the Angels versus Reds matchup at Great American Ball Park on April 10 2026, first pitch 6:45 p.m. Eastern. For a player prop market, -106 is about as close to pick em as you can get. The implied breakeven sits at roughly 51.5 percent. That is the kind of price where even a small edge in the base rate makes the bet highly profitable, and the base rate here is not small.
Across his career Kochanowicz has finished under 3.5 strikeouts in 13 of his 23 starts. That is 56.5 percent. On its own that would already clear the breakeven and make the under a positive expectation wager. Stack the rest of his profile on top and the edge grows significantly. Kochanowicz averages just 3.1 strikeouts per outing for his career, which means the average Kochanowicz start is below the line before you adjust for anything else.
| Metric | Value | Why It Matters |
|---|---|---|
| Career Under 3.5 K Rate | 13 of 23 (56.5%) | Already above the -106 breakeven of 51.5% |
| Career K/Start Average | 3.1 | The average start already finishes under the line |
| Last 5 K Totals | 3, 3, 2, 1, 1 | Never cleared 3.5 in any of his last five starts |
| L5 K Average | 2.0 | A full strikeout and a half below the line |
| Last 10 Average | 2.4 | The trend has gotten stronger in recent starts |
| 2026 Opening Line | 5 K in 9.2 IP (with 7 BB) | Walks limit the batters faced, capping K volume |
Understanding Kochanowicz starts with understanding that he is not trying to strike batters out. He is a sinker-slider pitcher whose entire philosophy is built around groundball rate. The sinker is designed to induce early contact and drive the ball into the dirt. The slider is a secondary offering used for soft contact and occasional chase. Neither pitch is a premium finisher. This is a pitcher whose best outcome is a two-pitch groundout to shortstop, not a swinging third strike.
Kochanowicz is not a strikeout pitcher. He is a contact-suppression pitcher who generates outs through ball in play rates rather than whiffs. His entire arsenal is built to keep runners off base by inducing weak grounders. When that works, he has a clean inning that ends with a 1-2-3 shortstop and maybe one strikeout mixed in. When that does not work, he still does not pile up strikeouts. He just gives up hits and walks until he is pulled. Either way, the strikeout total stays low. This is one of the more structurally stable under profiles in baseball.
That is a very important distinction from a pitcher like Walker Buehler, who at one point was a bat-misser but lost the stuff. Kochanowicz never had bat-missing stuff in the first place. There is no previous version of him you can bet on reappearing. The strikeout ceiling is inherently capped by the shape of his arsenal.
The recent trend is the loudest single data point on this ticket. Kochanowicz has started five times in his most recent sample and produced strikeout totals of 3, 3, 2, 1, and 1. Total punchouts: 10. Average per start: 2.0. He has not cleared the 3.5 line in a single one of those games. When a pitcher averages 2.0 strikeouts per start and the line is 3.5, the math gets ugly quickly for the over side.
His 2026 debut stretch is also a red flag for volume. He has put up only 5 strikeouts across 9.2 innings in his first two starts while walking 7. Walks are the enemy of strikeout totals because they eat pitch counts without generating outs. Every walk is a batter faced that will not end in a strikeout, and every short inning that comes with walks means the starter gets pulled sooner and never has a chance to accumulate more K opportunities.
The Cincinnati Reds are a middle of the pack lineup when it comes to strikeout rate. They are not the high chase, high whiff type of offense that routinely bails out below average strikeout pitchers. Their team strikeout rate sits around the league baseline, and they bring a mix of contact hitters who like to put the ball in play and let their team speed create offense. That is a particularly bad opponent profile for a sinker-slider arm who was already averaging only two strikeouts per start.
If you blend Kochanowicz's recent K rate with a league-average Reds lineup, the matchup projection lands comfortably below 3.5 strikeouts. At his career 3.1 average, the over already needs him to finish above his typical start. At his L5 average of 2.0, the over is asking for more than a full strikeout improvement on a team that does not naturally hand out strikeouts. That is a hard ask. The under only needs Kochanowicz to be Kochanowicz.
Great American Ball Park does play as a hitter friendly environment, but that works in the favor of an under bettor on a strikeout prop, not against. A smaller ballpark with a lively ball encourages hitters to stay aggressive and put the ball in play, which generates outs on batted balls rather than strikeouts. You can have Kochanowicz give up a few runs and still cash this ticket because those runs will come on contact, not whiffs.
The -106 price is what makes this one of the best value plays on the April 10 board. For any prop this close to a pick em, you only need a marginal edge to turn it into a clear winner. Kochanowicz has multiple overlapping edges: the career base rate, the current trend, the arsenal profile, the opponent profile, and the walk issue that caps batters faced. You do not need all of them to hit. You only need one of them to be meaningfully in your favor, and all five are.
This is the opposite situation from the heavy juice under plays where the base rate has to carry the whole ticket by itself. With Kochanowicz, the book has not even charged you much juice. The implied probability at -106 is right around 51.5 percent, and the under here projects to win closer to 65 to 70 percent of the time once you factor in recent form. That is a clean edge with a simple thesis.
The main risk is a mechanical bounce back where Kochanowicz rediscovers his slider and the Reds chase it. His slider is the only pitch in his arsenal with legitimate putaway potential, and there are nights when it plays up. If it is working and he gets into a rhythm early, he could reach four strikeouts. But that is the ceiling outcome, not the median. The median outcome is somewhere between two and three strikeouts, which is exactly where the under cashes.
Jack Kochanowicz under 3.5 strikeouts at -106 is one of the cleanest plays of the day. The structural profile is locked in: sinker-slider groundball starter, 3.1 career K average, no finishing pitch, and a 2026 debut stretch that has already shown walk problems and low strikeout totals. Layer on the 56.5 percent career under hit rate and the 2.0 average over his last five starts, and you are looking at a pitcher who has simply never been in the over 3.5 conversation with any consistency.
The Reds are not the lineup to reverse that trend. Their team strikeout rate is average, not elevated. Their offensive style is built on contact rather than chase. And Kochanowicz is not going to suddenly become a bat-misser in Cincinnati. Take the under. Take the light juice. This is how you build a long-term prop record: low cost, high confidence, structural edges.