Seattle Mariners at Kansas City Royals odds, picks and predictions

Analyzing Sunday’s Seattle Mariners at Kansas City Royals odds and lines, with MLB expert picks, predictions and best bets.

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The Seattle Mariners (36-30) and Kansas City Royals (39-26) meet Sunday for the finale of a 3-game series. First pitch from Kauffman Stadium is set for 2:10 p.m. ET. Let’s analyze BetMGM Sportsbook’s lines around the Mariners vs. Royals odds and make our expert MLB picks and predictions for the best bets.

Season series: Kansas City leads 3-2

The Mariners have dug themselves into a 2-0 hole this series after losing 8-4 Saturday while failing to cover as -127 road underdogs. Seattle lost 10-9 on Friday.

Kansas City trailed 3-2 before scoring 5 runs in the 5th and 6th to take control. RHP Alec Marsh got the win (5 IP, 4 ER, 7 H, 0 BB, 8 K) as the Royals won their 3rd consecutive game.

Mariners at Royals projected starters

RHP George Kirby vs. LHP Cole Ragans

Kirby (5-5, 4.05 ERA) makes his 14th start. He has a 1.05 WHIP, 0.9 BB/9 and 9.1 K/9 in 73 1/3 IP.

  • Last start: Win, 5 IP, 2 ER, 6 H, 1 BB, 9 K in a 4-3 win over Oakland Tuesday
  • Career vs. Kansas City: 1-0, 2.77 ERA (13 IP, 4 ER), 11 H, 0 BB, 8 K in 2 starts

Ragans (4-4, 3.21 ERA) makes his 14th start. He has a 1.19 WHIP, 3.0 BB/9 and 11.0 K/9 in 73 IP.

  • Last start: No-decision, 6 IP, 1 ER, 5 H, 2 BB, 6 K in a 4-3 win over San Diego Sunday
  • Career vs. Seattle: 0-0, 0.00 ERA (1 IP, 0 ER), 0 H, 0 BB, 2 K in 1 relief appearance

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Mariners at Royals odds

Provided by BetMGM Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 1:12 a.m. ET.

  • Moneyline (ML): Mariners -105 (bet $105 to win $100) | Royals -115 (bet $115 to win $100)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (+165) | Royals +1.5 (-200)
  • Over/Under (O/U): 8 (O: -105 | U: -115)

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Mariners at Royals picks and predictions

Prediction

Royals 5, Mariners 4

Moneyline

LEAN ROYALS (-115).

Kansas City is 3-0 in its last 3 games and is also 3-0 in its last 3 home games. The Royals are 3-1 in their last 4 matchups vs. Seattle.

This is only a lean because Seattle is 6-4 in its last 10 while KC is only 4-6 in its last 10 and because the Mariners are 7-3 in their last 10 matchups with the Royals.

Run line/Against the spread

PASS. 

No value here. Stick to the moneyline and/or total instead.

Over/Under

BET OVER 8 (-105).

The Over has hit in the 1st 2 games of the series. For Kansas City, the Over is 4-1 in its last 5 home games and 6-4 in its last 10 overall. The Over is 4-0 in the last 4 Royals-Mariners meetings in KC.

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For more sports betting picks and tips, check out SportsbookWire.com and BetFTW.

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Seattle Mariners at Kansas City Royals odds, picks and predictions

Analyzing Friday’s Seattle Mariners at Kansas City Royals odds and lines, with MLB expert picks, predictions and best bets.

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The Kansas City Royals (37-26) welcome the Seattle Mariners (36-28) to Kauffman Stadium Friday for the opener of a 3-game series. First pitch is set for 8:10 p.m. ET. Let’s analyze FanDuel Sportsbook’s lines around the Mariners vs. Royals odds and make our expert MLB picks and predictions for the best bets.

Season series: Mariners lead 2-1

The Mariners have been on a roll, winning 9 of their last 11 games. However, they are just 15-17 on the road this season. Seattle is coming off a 3-0 win over the Oakland A’s Thursday, closing that 3-game series with 2 wins. Seattle’s recent success has helped it surge to 1st in the AL West. It is 31-33 against the spread (ATS).

The Royals are 22-10 at home, the 4th-best record in the MLB. They have struggled as of late, losing 7 of their last 10 and falling to 2nd in the AL Central. Kansas City beat the Cleveland Guardians 4-3 Thursday, closing as a +149 underdog. The Royals are 38-25 ATS, the best run-line record in the majors.

Mariners at Royals projected starters

RHP Bryce Miller vs. LHP Daniel Lynch IV

Miller (5-5, 3.18 ERA) makes his 13th start. He has a 0.96 WHIP, 2.4 BB/9 and 9.0 K/9 in 70 2/3 IP.

  • Last start: Win, 6 IP, 0 ER, 3 H, 1 BB, 9 K in a 9-0 home win against the Los Angeles Angels Saturday
  • 2024 road splits: 1-3, 4.37 ERA (28 1/3 IP, 15 ER), 1.09 WHIP, 8 HR, 6.4 K/9 in 5 starts
  • Career vs. Royals: 0-0, 6.75 ERA (4 IP, 3 ER), 1.75 WHIP, 13.5 K/9 in 1 starts

Lynch IV (0-0, 1.50 ERA) makes his 3rd start. He has a 0.75 WHIP, 1.5 BB/9 and 6.0 K/9 in 12 IP.

  • Last start: Loss, 5 IP, 2 ER, 5 H, 0 BB, 2 K in a 7-6 road loss to the Minnesota Twins on May 30
  • 2024 home splits: 0-0, 0.00 ERA (5 IP, 0 ER), 0.80 WHIP, 0 HR, 10.8 K/9 in 1 start
  • Career vs. Mariners: 0-0, 1.93 ERA (4 2/3 IP, 1 ER), 2.14 WHIP, 7.7 K/9 in 1 start

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Mariners at Royals odds

Provided by FanDuel Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 6:29 a.m. ET.

  • Moneyline (ML): Mariners -130 (bet $130 to win $100) | Royals +110 (bet $100 to win $110)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (+126) | Royals +1.5 (-152)
  • Over/Under (O/U): 9 (O: -110 | U: -110)

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Mariners at Royals picks and predictions

Prediction

Royals 6, Mariners 4

Moneyline

BET ROYALS (+110).

The Mariners have been playing well, but that success hasn’t translated to when they’re away from home. Seattle is 3-5 straight up over their last 8 games, and it is 2-3 in Miller’s last 5 starts.

The Royals have up 7 runs in Lynch IV’s last start, but he had a strong outing, allowing just 2 in 5 IP. Kansas City is 8-2 over its last 10 games and has been dominant at home.

Expect that to continue and back ROYALS (+110).

Run line/Against the spread

PASS.

The run-line doesn’t have much value here.

The Royals (-152) are too expensive as a run-line underdog, although that is the preferred play over the Mariners (+126), who are too risky to take as a road favorite.

Over/Under

BET OVER 9 (-110).

The Royals have gone 11-5 O/U in their last 16 games and 4-2 O/U in their last 6. They also went over on Lynch IV’s most recent start.

The Mariners have hit the Over in 2 of their last 6, but they have topped the total in 5 of Miller’s last 6 starts. They have allowed 26 runs in Miller’s last 5 starts.

Couple the recent performance from both teams when this specific pitcher is starting and back OVER 9 (-110).

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For more sports betting picks and tips, check out SportsbookWire.com and BetFTW.

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Seattle Mariners at Kansas City Royals odds, picks and predictions

Analyzing Thursday’s Seattle Mariners at Kansas City Royals odds and lines, with MLB expert picks, predictions and best bets.

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The Seattle Mariners (65-55) and Kansas City Royals (39-83) meet Thursday for the finale of a 4-game series. First pitch from Kauffman Stadium is set for 2:10 p.m. ET (ESPN+). Let’s analyze FanDuel Sportsbook’s lines around the Mariners vs. Royals odds and make our expert MLB picks and predictions for the best bets.

Season series: Mariners lead 2-1

Seattle won 6-5 Wednesday as a -200 road favorite to take a 2-1 series lead. The game was tied at 4 heading into the 8th inning when the Mariners took a lead thanks to a sacrifice fly RBI from OF Teoscar Hernandez and an RBI single from OF Julio Rodriguez in the top of the 9th sealed the deal.

The Mariners have won back-to-back games and are 7-3 in their last 10 and 31-27 on the road. The Royals are 3-7 in their last 10 and 23-39 at home on the year.

Mariners at Royals projected starters

RHP George Kirby vs. LHP Angel Zerpa

Kirby (10-8, 3.11 ERA) makes his 24th start. He has a 1.00 WHIP, 0.9 BB/9 and 8.1 K/9 through 144 2/3 IP.

  • Last outing: No-decision, 9 IP, 0 ER, 3 H, 0 BB, 7 K in a 1-0 home loss Saturday vs. Baltimore Orioles
  • First career start vs. Kansas City

Zerpa (1-1, 7.71 ERA) makes his 1st start and 5th appearance. He has a 1.39 WHIP, 1.0 BB/9 and 2.9 K/9 through 9 1/3 IP.

  • Last outing: Win, 4 IP, 5 H, 4 ER, 1 BB, 2 K in a 12-8 home win Friday vs. St. Louis Cardinals
  • First career start vs. Seattle

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Mariners at Royals odds

Provided by FanDuel Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 7:34 a.m. ET.

  • Moneyline (ML): Mariners -235 (bet $235 to win $100) | Royals +194 (bet $100 to win $194)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (-126) | Royals +1.5 (+105)
  • Over/Under (O/U): 9 (O: -118 | U: -104)

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Mariners at Royals picks and predictions

Prediction

Mariners 7, Royals 4

Moneyline

PASS. 

I like the Mariners (-235) to win here but the price tag is far too steep. Bet on the run line and/or total instead.

Run line/Against the spread

BET MARINERS -1.5 (-126).

The Mariners have won 7 of their last 10 meetings with the Royals. Seattle is also 7-3 in its last 10 overall, a much better mark than Kansas City’s 3-7 record through its last 10 outings. The Mariners are also 4-1 in Kirby’s last 5 starts with 3 of those victories coming by 2 or more runs.

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Over/Under

LEAN OVER 9 (-118).

The Over is 3-2 in Seattle’s last 5 games and is 3-1 in Kansas City’s last 4 games and 6-4 in its last 10. The Over has also cashed in the last 4 Seattle-Kansas City matchups and is 7-3 in their last 10 meetings.

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For more sports betting picks and tips, check out SportsbookWire.com and BetFTW.

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Seattle Mariners at Kansas City Royals odds, picks and predictions

Analyzing Monday’s Seattle Mariners at Kansas City Royals odds and lines, with MLB expert picks, predictions and best bets.

The Seattle Mariners (63-54) and Kansas City Royals (38-81) open up a 4-game set at Kauffman Stadium Monday. First pitch is at 8:10 p.m. ET. Let’s analyze BetMGM Sportsbook’s lines around the Mariners vs. Royals odds and make our expert MLB picks and predictions for the best bets.

Season series: First meeting this season; Mariners won 4-2 last year

The Mariners come to town with cooled jets having lost 2 games in a row. Seattle had been on an 8-game win streak before that though, and is 14-6 over the last 20 games and sits 1 1/2 games out of the final AL Wild Card spot.

The Royals had a rare Sunday off and come into this one 2-6 over the last 8 games. They play a little better at home at 22-37 as opposed to 16-44 on the road. As expected, they struggle against AL West foes at 4-11.

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Mariners at Royals projected starters

RHP Logan Gilbert vs. RHP Brady Singer

Gilbert (10-5, 3.66 ERA) makes his 24th start. He has a 1.02 WHIP, 1.6 BB/9 and 9.0 K/9 in 137 2/3 innings.

  • Last start: Win, 7 IP, 0 ER, 1 H, 0 BB, 12 K Tuesday against San Diego Padres
  • 3 career starts vs. Royals: 1-0, 6.19 ERA, 1.38 WHIP, 13 K in 16 IP

Singer (8-8, 5.05 ERA) makes his 24th start. He has a 1.37 WHIP, 2.8 BB/9 and 7.6 K/9 in 128 1/3 innings.

  • Last start: Win, 6 2/3 IP, 3 ER, 5 H, 2 BB, 4 K Tuesday against Boston Red Sox
  • 2 career starts vs. Mariners: 1-0, 1.38 ERA, 1.00 WHIP, 13 K in 13 IP

Mariners at Royals odds

Provided by BetMGM Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 9:31 a.m. ET.

  • Moneyline (ML): Mariners -145 (bet $145 to win $100) | Royals +120 (bet $100 to win $120)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (+115) | Royals +1.5 (-140)
  • Over/Under (O/U): 8 (O: -115 | U: -105)

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Mariners at Royals picks and predictions

Prediction

Mariners 5, Royals 3

Moneyline

OF Julio Rodriguez has come alive since the All-Star break with a .274 average, 6 homers and 18 RBIs. The combination of him and Gilbert should be enough to secure this victory, and the Mariners aren’t priced out of range.

Take the MARINERS (-145).

Run line/Against the spread

The Mariners are 34-21 on the RL on the road, which is one of the better marks in baseball. During that 8-game winning streak, 6 of them were by multiple runs. Seattle is 7-3 over the last 10 against KC, and 4 of those were by more than a run.

LEAN MARINERS -1.5 (+115).

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Over/Under

The Mariners are 3-6-1 O/U over the last 10, and KC is 6-4. The Over is 4-5-1 in the last 10 meetings between the teams. The Over is 3-2 in Gilbert’s last 5 starts and 4-1 in Singer’s last 5. So this one could go either way. I think I’m going to PASS on the total.

Head to the Win/Total section, and take the MARINERS AND OVER 5.5 (+105) for a better shot at a plus-money return.

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For more sports betting picks and tips, check out SportsbookWire.com and BetFTW.

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