Royals vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Feb 28

Seattle Mariners designated hitter Mitch Haniger, left, follows through on a home run against the Cleveland Guardians during the first inning of a spring training baseball game Sunday, Feb. 25, 2024, in Peoria, Ariz. (AP Photo/Lindsey Wasson)
(AP Photo/Lindsey Wasson)

The Kansas City Royals (+130) visit Peoria Sports Complex to take on the Seattle Mariners (-155) on Wednesday, February 28, 2024. First pitch is for this Spring Training game is scheduled for 3:10pm EST in Peoria, AZ.

This season, the Royals are 2-1 against the spread (ATS), while the Mariners are 2-1 ATS.

Royals vs. Mariners Odds, Run Line, Over/Under & Moneyline

Moneyline
Royals+130
Mariners -155

Royals vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Wednesday‘s matchup with 51.5% confidence, based on game simulations, recent player performances, starting pitchers and injuries.


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We’ve highlighted some favorite MLB player prop bets for Royals players for Wednesday‘s game, looking at profitable historical betting trends:

Best Royals Player Prop Bets Today:

  • Kyle Isbel has hit the Runs Under in his last 2 away games (+2.00 Units / 40% ROI)
  • Bobby Witt Jr. has hit the Stolen Bases Under in his last 2 games (+2.00 Units / 39% ROI)
  • MJ Melendez has hit the RBIs Under in his last 2 away games (+2.00 Units / 38% ROI)
  • Michael Massey has hit the RBIs Under in his last 2 games (+2.00 Units / 38% ROI)
  • Nathan Eaton has hit the Runs Under in his last 2 games (+2.00 Units / 37% ROI)

And here are some favorite MLB player prop bets for Mariners players for Wednesday‘s game, looking at profitable historical betting trends:

Best Mariners Player Prop Best Bets Today:

  • Julio Rodriguez has hit the Hits Under in his last 5 games (+5.80 Units / 49% ROI)
  • Sam Haggerty has hit the Runs Under in his last 4 games at home (+4.00 Units / 39% ROI)
  • Eugenio Suarez has hit the RBIs Over in 3 of his last 5 games (+3.45 Units / 69% ROI)
  • Cooper Hummel has hit the Hits Runs and RBIs Under in 4 of his last 5 games (+3.35 Units / 56% ROI)
  • Cooper Hummel has hit the Singles Under in his last 3 games at home (+3.00 Units / 41% ROI)
  • The Kansas City Royals have hit the Moneyline in 12 of their last 17 games (+13.10 Units / 77% ROI)
  • The Kansas City Royals have hit the Game Total Over in 33 of their last 59 games (+9.10 Units / 14% ROI)
  • The Kansas City Royals have hit the 1st Five Innings (F5) Team Total Over in 12 of their last 17 games (+6.59 Units / 31% ROI)
  • The Kansas City Royals have covered the Run Line in 12 of their last 17 games (+5.00 Units / 22% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 33 of their last 61 games (+11.71 Units / 13% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 33 of their last 52 games (+11.13 Units / 18% ROI)
  • The Seattle Mariners have hit the Moneyline in 50 of their last 82 games (+8.75 Units / 7% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 46 of their last 78 games at home (+8.55 Units / 9% ROI)
  • The Seattle Mariners have hit the Team Total Under in 9 of their last 11 games at home (+7.10 Units / 60% ROI)

Royals Against the Spread (ATS) Record

Against the spread this Spring Training, the Royals are 2-1 against the Run Line (+1.35 Units / 37.5% ROI).

  • 2-1 when betting on the Moneyline for +1 Units / 25.97% ROI
  • 0-3 when betting on the total runs Over for -3.15 Units / -100% ROI
  • 3-0 when betting on the total runs Under for +3 Units / 85.71% ROI

Mariners Against the Spread (ATS) Record

Against the spread this Spring Training, the Mariners are 2-1 against the Run Line (+1 Units / 22.22% ROI).

  • 0-2 when betting on the Moneyline for -2.3 Units / -69.7% ROI
  • 3-0 when betting on the total runs Over for +3 Units / 93.75% ROI
  • 0-3 when betting on the total runs Under for -3.4 Units / -100% ROI

Brady Singer had an ERA of 7.49 (51.2 IP) against division opponents in the 2023 season — highest in MLB among starting pitchers with at least 64 total IP; League Avg: 4.27 — first Percentile.

Opponents batted .372 (32-for-86) against Brady Singer’s elevated fastballs in the 2023 season — highest in MLB among starting pitchers with at least 64 total IP; League Avg: .229 — 0 Percentile.

Brady Singer had an ERA of 7.18 (62.2 IP) on the road in the 2023 season — 5th highest in MLB among starting pitchers with at least 64 total IP; League Avg: 4.42 — third Percentile.

Hitters chased just 64 of Brady Singer’s 511 fastballs out of the zone (chase rate of 12%) in the 2023 season — lowest in MLB among starting pitchers with at least 64 total IP; League Avg: 25% — 0 Percentile.

Mariners Starting Pitcher Stats & Trends

Logan Gilbert walked 36 of 770 batters (5%) in the 2023 season — 5th best among qualified SPs in MLB; League Avg: 7% — 91st Percentile.

Logan Gilbert allowed an OBP of just .270 (767 PA’s) in the 2023 season — tied for 3rd best among qualified SPs in MLB; League Avg: .299 — 95th Percentile.

Logan Gilbert threw his slider 44% of the time (229/525) when behind in the count in the 2023 season — 2nd highest among qualified SPs in MLB; League Avg: 20% — 96th Percentile.

Opponents batted just .272 against Logan Gilbert on the first pitch of at-bats in the 2023 season — 12th-best among starting pitchers with at least 64 total IP– 90th Percentile. Opponents batted .476 (39-for-82) against him on the first pitch of at-bats last season — worst among starting pitchers with at least 64 total IP– 0 Percentile.

Royals Keys to the Game vs. the Mariners

The Royals are just 11-83 (.117) when their opponents score in the first inning since last season — lowest in MLB; League Avg: .363.

The Royals were just 1-8 (.111) when tied entering the 8th inning in the 2023 season — lowest in MLB; League Avg: .500.

The Royals were just 17-12 (.586) when they had 5 or more XBH in the 2023 season — 2nd lowest in MLB; League Avg: .790.

The Royals are just 9-15 (.375) after a loss as favorites since last season — lowest in MLB; League Avg: .584.

Mariners Keys to the Game vs. the Royals

The Mariners were 13-8 (.619) after a win as underdogs in the 2023 season — 2nd best in MLB; League Avg: .433.

The Mariners are 44-6 (.880) when they’ve had 5 or more XBH since last season — best in MLB; League Avg: .796.

The Mariners were 64-13 (.831) when they scored 5 or more runs in the 2023 season — 5th best in MLB; League Avg: .780.

The Mariners were 76-2 (.974) when leading entering the 9th inning in the 2023 season — 5th best in MLB; League Avg: .948.

The Royals have won just 52% of games in which they have scored in at least three different innings on the road since last season — 2nd lowest in MLB; League Avg: 72%.

The Royals have a winning percentage of just 30% on the road since last season — tied for lowest in MLB; League Avg: 47%.

Royals hitters had an OBP of just .280 (2,958 PA’s) on the road in the 2023 season — lowest in MLB; League Avg: .316.

Royals hitters had an OPS of just .649 (2,958 PA’s) on the road in the 2023 season — lowest in MLB; League Avg: .723.

The Mariners batted just .125 on pitches out of the zone in the 2023 season — 2nd lowest in MLB; League Avg: .151.

Mariners hitters put just 33% of their swings in play against LHP in the 2023 season — lowest in MLB; League Avg: 37%.

Mariners hitters put just 33% of their swings in play with two-strikes in the 2023 season — tied for lowest in MLB; League Avg: 37%.

Mariners hitters struck out 1,603 times in 6,201 PA’s (26%) in the 2023 season — 2nd highest in MLB; League Avg: 23%.

The Royals won just 18% of games in which their opponents scored first in the 2023 season — lowest in MLB; League Avg: 34%.

Royals pitchers picked-off 19 runners from first base in the 2023 season — best in MLB.

Royals pitchers had an ERA of 5.39 (674.0 IP) on the road in the 2023 season — 2nd highest in MLB; League Avg: 4.44.

Royals pitchers had a strikeout rate of just 40% with two-strikes in the 2023 season — tied for 5th lowest in MLB; League Avg: 43%.

Mariners pitchers walked 421 of 6,006 batters (7%) in the 2023 season — 2nd best in MLB; League Avg: 9%.

Opponents had a swing rate of 50% against the Mariners pitchers in the 2023 season — highest in MLB; League Avg: 48%.

Mariners pitchers had a strikeout rate of 29% in close and late situations in the 2023 season — best in MLB; League Avg: 25%.

Mariners pitchers had an ERA of 3.42 (744.0 IP) at home in the 2023 season — best in MLB; League Avg: 4.23.

Mariners vs. Royals Injuries Tonight That May Affect Prop Bets 

  • Mitch Haniger (Seattle Mariners): Back, Out
  • Gregory Santos (Seattle Mariners): Lat, Out
  • Eduard Bazardo (Seattle Mariners): Undisclosed, Out
  • Matt Brash (Seattle Mariners): Arm, Out
  • Freddy Fermin (Kansas City Royals): Finger, Out
  • Kyle Wright (Kansas City Royals): Shoulder, 60-Day IL
  • John McMillon (Kansas City Royals): Forearm, Out
  • Austin Cox (Kansas City Royals): Knee, Out
  • Brad Keller (Kansas City Royals): Shoulder, Out
  • Josh Taylor (Kansas City Royals): Back, Out
  • Carlos Hernandez (Kansas City Royals): Shoulder, Out
  • Kris Bubic (Kansas City Royals): Elbow, 60-Day IL

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Our BetMGM editors and authors are sports experts with a wealth of knowledge of the sports industry at all levels. Their coverage includes sports news, previews and predictions, fun facts, and betting.

Our BetMGM editors and authors are sports experts with a wealth of knowledge of the sports industry at all levels. Their coverage includes sports news, previews and predictions, fun facts, and betting.