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)
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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