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  1. Home
  2. MLB Picks
  3. Kansas City Royals vs Seattle Mariners
Sun 4:10 PM ET
Kansas City Royals logo
Kansas City
Royals2
A. Marsh RHP · 0–6, 5.56 ERA
versus
Seattle Mariners logo
Seattle
Mariners3
L. Castillo RHP · 10–7, 3.20 ERA
Final
Team123456789T
Kansas City Royals0000000202
Seattle Mariners01

Kansas City Royals vs Seattle Mariners Betting Picks & Predictions

Game time: August 27, 2023 at 4:10 PM ET

Venue: T-Mobile Park — Seattle, Washington

Article updated Aug 27, 10:15 AM EDT

Published by SportsJaw Editorial Team

The MLB betting action continues Sunday, August 27, 2023 with a three-game set at T-Mobile Park in Seattle, Washington. The Kansas City Royals and Seattle Mariners face-off

Game outlook

The MLB betting action continues Sunday, August 27, 2023 with a three-game set at T-Mobile Park in Seattle, Washington. The Kansas City Royals and Seattle Mariners face-off for the first pitch at 4:10 PM ET with the Mariners opening as the betting favorite at -263 and now at -290. Alec Marsh (ERA: 5.56) will be the starting pitcher for Royals and Luis Castillo (ERA: 3.2) will be starting for Mariners. These two foes met earlier in the month, and the Mariners took three out of four games from the Royals in Kansas City.

Game Info

When: Sunday, 8/27/2023 @ 4:10pm EST

Where: T-Mobile Park Stadium Royals vs Mariners Betting Odds Moneyline: Royals +250 | Mariners -290

Spread: Royals +1.5 (+120) | Mariners -1.5 (-140)

Total: Over/Under 8 (-110)

Based on the moneyline, the implied probability that Seattle will win straight-up is 74%.

Kansas City Royals

The Kansas City Royals are 41-90 this season and fell to 41-89 with their eighth loss in ten games. They have allowed 53 runs during that stretch, while only scoring 45. All eight of these defeats have been by less than three runs. The team is slashing .270/.314/.409 with 20 extra-base hits and 11 homers in the last two weeks with 408 at-bats. Pitching has had a 4.93 ERA, 1.46 WHIP and a .271 batting average against over 104 innings in the last two weeks. Alec Marsh is set to make the starting call Sunday, with 0-6 record, 5.56 ERA, 1.60 WHIP and 50/25 K/BB ratio in 43.2 innings pitched this season. Last Monday, he allowed three earned runs on five hits in 5.2 innings against the Athletics. With a power ranking of 14, Kansas City is ranked 27 in offense, 28 in defense and are 41-90 this season.

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MLB · Kansas City Royals at Seattle Mariners

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21+. Gambling problem? Call 1-800-GAMBLER. Picks are opinions, not guarantees. Past results do not predict future outcomes.

Seattle Mariners Analysis

The Seattle Mariners moved to 72-56 on the season following Friday’s victory over the Royals. They have scored 72 runs in their last ten games, recording an impressive .327/.415/.545 with 19 home runs over 447 plate appearances. Additionally, the Mariners' bullpen has recorded a 3.08 ERA with a 5-1 record and seven saves in 38 innings. Luis Castillo will face the Royals on Sunday and has won each of his last three outings, with a 2.70 ERA, 2.37 FIP and .600 opposing OPS. The Mariners are currently in the top spot of the AL West and rank #11 in offense (averaging 4.76 points per game) and #6 in defense (giving up an average of 4.07 points per game). Their current record stands at 73-56, and Kansas City has a 3-0 record in their last three matchups against Seattle.

> Royals' Struggling Bullpen Makes Mariners -1.5 a Smart Bet

On August 16, Alec Marsh faced the Seattle Mariners in a no-decision outing, giving up one earned run, four hits and five walks while striking out six. The Royals ultimately lost 6-5 and Luis Castillo was credited with a win after seven innings of work, where he allowed four earned runs on nine hits. Due to the Royals' bullpen having a 4.02 ERA and 4.83 FIP in the last ten days and 31.1 innings pitched (69-93 record with two saves), it is advisable to take Seattle Mariners -1.5. The Mariners' bats have been impressive in the last ten days, recording a 153 wRC+ against righties and a 202 wRC+ against lefties.

Prediction on the total: OVER 8

Written by Steveh Published on 08/27/2023 Category: MLB Picks

About the Author: Steve Hirshfeld has been involved in the Las Vegas Sports Investment Industry for more than 20 years and consistently beats the book.

SportsJawGame Predictions
Predicted score

Unavailable for this preview

Projected winnerUnavailableConfidencelow
Pick on the Spread

Published pick: Unavailable

Pick on the Total

Published pick: Unavailable

#KansasCityRoyals#SeattleMariners

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Written by

SportsJaw Editorial Team

SportsJaw published this archived preview from its original game-day article. Its prediction and quoted lines are preserved as written.

About our editorial process

SportsJaw Royals vs Mariners archived game preview contains historical odds and availability that may no longer be current. View history of past Royals vs Mariners matchups or learn how our predictions work.

Current matchup data

Lines, trends and availability

Line movement since open

  • Moneyline · Kansas City Royals+213 → +260Moved
  • Moneyline · Seattle Mariners-263 → -305Moved
  • Spread · Kansas City Royals+1.5 (+110) → +1.5 (+130)Moved
  • Spread · Seattle Mariners-1.5 (-130) → -1.5 (-146)Moved
  • Total · Over8 (-110) → 8 (-110)Unchanged
  • Total · Under8 (-110) → 8 (-110)Unchanged

ATS and O/U trends

Kansas City Royals
69-93 matchup record · 4-6-0 ATS · 7-3-0 O/U
Last 10 completed games on file
Seattle Mariners
76-86 matchup record · 8-2-0 ATS · 8-2-0 O/U
Last 10 completed games on file

Injuries and availability

From the published research (2023-08-27T14:15:31.739Z). Availability may have changed; review the cited sources.

No verified injury or availability note was included in the published matchup research.

Recent head-to-head

  • 2023-08-26Kansas City Royals 2 · Seattle Mariners 15
  • 2023-08-25Kansas City Royals 5 · Seattle Mariners 7
  • 2023-08-17Seattle Mariners 6 · Kansas City Royals 4
  • 2023-08-16Seattle Mariners 6 · Kansas City Royals 5
  • 2023-08-15Seattle Mariners 10 · Kansas City Royals 8
Final result

Matchup pick recap

Seattle Mariners defeated Kansas City Royals 3-2

Seattle Mariners defeated Kansas City Royals 3-2 on August 27, 2023, a 1-run decision in the series. Seattle Mariners' strongest period was the 5th inning, when it outscored its opponent 2-0. Against SportsJaw's recorded Kansas City Royals +1.5 (+130) spread, Kansas City Royals covered, while the 5 combined runs finished under the recorded total of 8.

SportsJaw editorial picks

  • Projected winnerNo published selectionUnavailable

Tipster picks

  • KrockpicksMoneyline · Seattle Mariners -286Win
  • Josh720Moneyline · Kansas City Royals +237Loss
  • CoolioMoneyline · Seattle Mariners -290Win
  • CoolioTotal · Under 8 (-110)Win
  • OddssharkMoneyline · Seattle Mariners -290Win
  • StevehTotal · Over 8 (-110)Loss
  • BtRunline · Seattle Mariners -1.5 (-155)Loss
  • CovergirlMoneyline · Kansas City Royals +260Loss
  • 1735203231Moneyline · Seattle Mariners -305Win
  • Drew_WestcottMoneyline · Seattle Mariners -305Win
  • MikeVargasMoneyline · Seattle Mariners -305Win
  • MoneymouthMoneyline · Seattle Mariners -305Win
  • 1118240754Total · Over 8 (-110)Loss
  • IroncladlocksMoneyline · Seattle Mariners -305Win
  • JoeyBergMoneyline · Seattle Mariners -305Win
  • RainmanMoneyline · Seattle Mariners -305
Win