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Mariners

Andrew Knizner

Cal Raleigh

Mitch Garver

Josh Naylor

Cole Young

J.P. Crawford

Miles Mastrobuoni

Brendan Donovan

Ryan Bliss

Leo Rivas

Patrick Wisdom

Will Wilson

Victor Robles

Randy Arozarena

Dominic Canzone

Rob Refsnyder

Julio Rodríguez

Luke Raley

Connor Joe

Jose A. Ferrer

Alex Hoppe

Casey Legumina

Matt Brash

Logan Gilbert

Bryan Woo

Luis Castillo

Cooper Criswell

George Kirby

Andrés Muñoz

Gabe Speier

Bryce Miller

Eduard Bazardo

Emerson Hancock

Carlos Vargas

Cole Wilcox

Padres

Luis Campusano

Freddy Fermin

Sung-Mun Song

Will Wagner

Manny Machado

Xander Bogaerts

Jake Cronenworth

Ty France

Nick Castellanos

Jackson Merrill

Gavin Sheets

Ramón Laureano

Miguel Andujar

Fernando Tatis Jr.

Bryce Johnson

Yuki Matsui

Michael King

Mason Miller

David Morgan

Wandy Peralta

Bryan Hoeing

Jason Adam

Griffin Canning

Joe Musgrove

Germán Márquez

Bradgley Rodriguez

Yu Darvish

Jeremiah Estrada

Adrian Morejon

Nick Pivetta

Matt Waldron

Kyle Hart

Ron Marinaccio

Randy Vásquez

Walker Buehler

Alek Jacob

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Defense

Offense

Seattle Mariners vs San Diego Padres Picks

Petco Park

<p>We are headed back to the diamond today after having success <a href="/articles/mlb/new-york-mets-los-angeles-dodgers-mlb-picks-predictions-2026-04-15/">yesterday betting on the Los Angeles Dodgers to take down the New York Mets.</a> Let&#8217;s roll over our winnings as we stay out in California tonight for an inter league matchup between the Seattle Mariners and San Diego Padres at Petco Park. Two studs take the bump for their teams, looking to get a win. The Mariners need to stop the bleeding and are looking to avoid the sweep, while the Padres are trying to win an eighth straight game. Let&#8217;s dive into our MLB picks and see what our analysts are wagering on out West tonight.</p>
<p>Check out the best odds on the market at <a href="/best-online-sportsbooks/">our top online sportsbooks.</a></p>
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<h2>Seattle Mariners vs. San Diego Padres MLB Betting Insights</h2>
<blockquote class="twitter-tweet">
<p dir="ltr" lang="en">Luis Castillo gets the start in tomorrow&#8217;s series finale at 5:40 p.m. <a href="https://t.co/U8fsxX8bH2">pic.twitter.com/U8fsxX8bH2</a></p>
<p>— Seattle Mariners (@Mariners) <a href="https://twitter.com/Mariners/status/2044638474666701080?ref_src=twsrc%5Etfw">April 16, 2026</a></p></blockquote>
<p><script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script></p>
<p><a href="/mlb/matchup/2026-04-16-seattle_mariners-san_diego_padres-n-1/"><button class="btn btn-block btn-primary m-2" type="button">Check out Picks and Statistics for Seattle vs. San Diego here!</button></a></p>
<p>These two teams will meet again in Seattle in mid-May for a second series against each other, and the Mariners might be looking for redemption when the time comes. They&#8217;ve lost two straight to San Diego in this series so far, and the Padres are trying to finish off the sweep tonight at home. However, the hosts are actually slight underdogs tonight on the betting board.</p>
<p>The Padres are 12-6 on the year and 8-4 at Petco Park, beating Seattle 4-1 and then 7-6 the past two evenings. Seattle is just 8-11 overall and are just 1-7 away from home, yet somehow they are favored tonight. Does that make sense? Or are the books gifting us the Padres with a plus sign next to them? Look at the starting pitchers below and the betting odds and let&#8217;s get to the bottom of this contest.</p>
<h3>Matchup Information &#8211; Mariners vs. Padres &#8211; April 16</h3>
<ul>
<li>Venue &amp; Location: Petco Park (San Diego, CA)</li>
<li>Date: Thursday, April 16, 2026</li>
<li>First Pitch: 8:40 p.m. Eastern</li>
<li>Broadcast: MLB Network</li>
</ul>
<h3>Mariners vs. Padres Pitching Matchup</h3>
<ul>
<li>Seattle Mariners: RHP Luis Castillo (0-0, 6.92 ERA, 1.77 WHIP)</li>
<li>San Diego Padres: RHP Walker Buehler (0-1, 4.97 ERA, 1.26 WHIP)</li>
</ul>
<h3>Seattle Mariners vs. San Diego Padres Betting Odds</h3>
<p><em><a href="https://affiliates.bettingnews.com/register/luckyrebel-articles/" target="_blank" rel="noopener">Odds are courtesy of our friends at Lucky Rebel Sportsbook, </a>as of April 16, 2026, at 11:08 a.m. eastern. Sign up today and get a $1,250 deposit bonus as well as 50 slot spins immediately in your account and start betting at the sportsbook with the most competitive odds in the industry, and a wide variety of unique markets not offered anywhere else.</em></p>
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<h4>Run Line</h4>
<ul>
<li>Mariners -1.5 (+138)</li>
<li>Padres +1.5 (-168)</li>
</ul>
<h4>Moneyline</h4>
<ul>
<li>Mariners -124</li>
<li>Padres +102</li>
</ul>
<h4>Total</h4>
<ul>
<li>Over 8.5 (-105)</li>
<li>Under 8.5 (-116)</li>
</ul>
<p>Both pitchers have gotten blown up this season. Luis Castillo pitched six shutout innings in his opening start, but since has allowed 11 runs, 10 of them earned, in his last two outings, combining for just seven total innings. Against Houston last Saturday, he gave up seven runs on 10 hits and a walk, including a home run. Walker Buehler has trended in the other direction.</p>
<p>He allowed three and four earned runs in his first 6.2 innings this year in his opening two starts, but is coming off a great outing last Friday. Pitching against the Rockies, Buehler allowed just three hits in six scoreless innings, sitting down four batters as well. Can he keep it up at home against the Mariners?</p>
<h2>Seattle Mariners vs. San Diego Padres MLB Picks</h2>
<div id="attachment_102571" style="width: 1210px" class="wp-caption alignnone"><img loading="lazy" decoding="async" aria-describedby="caption-attachment-102571" class="size-full wp-image-102571" src="https://wp.bettingnews.com/wp-content/uploads/2026/04/walker-buehler-san-diego-padres-mlb.jpg" alt="Walker Buehler is coming off an outing where he pitched six scoreless innings and gave up just three total hits - Mariners Padres Picks" width="1200" height="675" srcset="https://wp.bettingnews.com/wp-content/uploads/2026/04/walker-buehler-san-diego-padres-mlb.jpg 1200w, https://wp.bettingnews.com/wp-content/uploads/2026/04/walker-buehler-san-diego-padres-mlb-300x169.jpg 300w, https://wp.bettingnews.com/wp-content/uploads/2026/04/walker-buehler-san-diego-padres-mlb-1024x576.jpg 1024w" sizes="auto, (max-width: 1200px) 100vw, 1200px" /><p id="caption-attachment-102571" class="wp-caption-text">Walker Buehler is coming off an outing where he pitched six scoreless innings and gave up just three total hits</p></div>
<h3>Mariners vs. Padres Prediction: Padres Win Outright, Over 8.5</h3>
<h3><a href="https://affiliates.bettingnews.com/register/luckyrebel-articles/" target="_blank" rel="noopener">Best Bet: Padres ML (+102) Lucky Rebel Sportsbook</a></h3>
<p>I think we see some runs in this game, but I trust Buehler on the bump a little more than Castillo, especially based off recent performances. He does a great job of mixing up his stuff, throwing six different pitches, but none more than 25% of the time. Therefore he keeps the hitters guessing. Over the past week, the Padres are fifth in the MLB in team batting average, while the Mariners are in the lower half of the league. San Diego is also the best team at avoiding strikeouts over the past week, doing so just 14.5% of the time.</p>
<p>Over the course of the season, the Padres are scoring 4.72 runs per outing, while the Mariners are putting up an even four. With Castillo recently getting shelled, I think the San Diego bats could turn into Slam Diego tonight, producing plenty of runs while Buehler keeps the M&#8217;s off of the scoreboard as best he can. Ultimately, I do see value in the Padres at plus money tonight, and I&#8217;ll take the bait.</p>
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