Check Out the Athletics vs Mariners Betting Guide and Expert Picks – 3/30/2025

Athletics

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Seattle Mariners

As the Seattle Mariners prepare to host the Oakland Athletics on March 30, 2025, the stakes are high in this American League West matchup. The Mariners, struggling with a record of 1-2, are looking to turn their season around after a disappointing start. Meanwhile, the Athletics, at 2-1, are riding high on their strong early-season performance. In their last outing, the Mariners fell to the Athletics, further emphasizing their need to bounce back in this crucial fourth game of the series.

Seattle is projected to start Bryan Woo, who ranks as the 45th best starting pitcher in MLB according to advanced-stat Power Rankings. Woo has shown promise, averaging 5.1 innings pitched and allowing only 1.8 earned runs, which is a great sign for the Mariners. However, he does struggle with hits, projected to allow 4.0 per game, and walks, with an average of 1.0. This could be concerning against an Athletics lineup that has been effective early in the season.

On the other hand, Oakland will counter with JP Sears, who has not fared as well, being ranked among the worst pitchers in MLB. Sears projects to pitch 5.0 innings while allowing 2.7 earned runs, along with a concerning average of 4.6 hits and 1.7 walks. This could play into the Mariners’ favor, as they look to capitalize on Sears’ struggles.

With a low Game Total of 7.0 runs, the betting landscape shows the Mariners as favorites at -165, suggesting an average implied team total of 3.88 runs. The Athletics, meanwhile, are underdogs at +140, with a very low implied team total of 3.12 runs. Given the Mariners’ need for a win and their edge in starting pitching, this matchup could be pivotal for their season.

Athletics Insights

• JP Sears – Over/Under 4.5 Strikeouts (+120/-150)
  With 8 batters who bat from the opposite side in the opposing team’s projected lineup, JP Sears will have a tough matchup while lacking the platoon advantage in most plate appearances in today’s matchup.
  Explain: Right-handed pitchers perform worse against left-handed hitters (and visa-versa). If several hitters hold this advantage against the pitcher, it can have a huge impact on whether he will perform well or struggle on any given day.
• Miguel Andujar – Over/Under 0.5 Hits (-190/+145)
  Miguel Andujar is projected to bat 4th in the lineup in this game, which would be an upgrade from his 50% rate of hitting in the bottom-half of the lineup this season.
  Explain: The higher in the order a player bats, the more plate appearances he will get and the more opportunities he will get to hit the Over for every market. A player who hits higher in the order than he normally does may provide extra value opportunity since the market may be based on him hitting lower.
• Athletics hitters collectively rank near the top of the majors since the start of last season (7th-) as it relates to their 89.2-mph average exit velocity.
  Explain: Hitting the ball hard increases the chances of either a home run or the ball landing in fair territory for a hit before a fielder can get to it.

Seattle Mariners Insights

• Seattle Mariners – 1st Five Innings (F5) Moneyline (-195)
  In his last outing, Bryan Woo was on point and allowed 0 ER.
  Explain: A pitcher who was strong in his last outing may be sharp once again in his next outing.
• Julio Rodriguez – Over/Under 0.5 Stolen Bases (+400/-630)
  Ranking in the 97th percentile for Sprint Speed at 29.6 ft/sec since the start of last season, Julio Rodriguez is remarkably toolsy.
  Explain: Fast players tend to get more hits as they leg out groundballs, more extra base hits, and more stolen bases.
• Mitch Garver – Over/Under 0.5 Total Bases (-140/+110)
  Mitch Garver pulls a high percentage of his flyballs (41.2% — 99th percentile) and sets up very well considering he’ll be hitting them towards MLB’s 8th-shallowest LF fences today.
  Explain: This player’s skill set matches up particularly well with the park he’s in today, which may lead to better-than-usual performance.

Betting Trends

• Over/Under 7.5 Game Total (+100/-120)
  The Seattle Mariners have hit the Game Total Over in 35 of their last 62 games (+11.95 Units / 17% ROI)
• Athletics – Over/Under 2.5 Team Total (-155/+120)
  The Athletics have hit the Team Total Over in 22 of their last 34 away games (+8.25 Units / 20% ROI)
• Cal Raleigh – Over/Under 0.5 RBIs (+130/-170)
  Cal Raleigh has hit the RBIs Under in his last 3 games (+3.00 Units / 62% ROI)