Best MLB Bets for Thursday, September 18th: Top Baseball Betting Picks Today

Kevin RogersKevin Rogers|published: Thu 18th September, 08:52 2025
Jun 30, 2025; Phoenix, Arizona, USA; San Francisco Giants pitcher Logan Webb (62) throws in the first inning against the Arizona Diamondbacks at Chase Field. Mandatory Credit: Matt Kartozian-Imagn ImagesJun 30, 2025; Phoenix, Arizona, USA; San Francisco Giants pitcher Logan Webb (62) throws in the first inning against the Arizona Diamondbacks at Chase Field. Mandatory Credit: Matt Kartozian-Imagn Images

The Thursday MLB card highlights 10 games with plenty of player and team props to choose from. The game of the night takes place at Dodger Stadium as the Los Angeles Dodgers host the San Francisco Giants in a battle of NL West rivals.

We’ll break down three plays for the Thursday action. Remember to monitor the odds throughout the day, as the props and totals market is constantly changing.

Here are the free MLB picks for Thursday, September 18.

Best MLB Bets September 18th

Mariners/Royals F5 Under 4.5 Runs (+114)

Angels F5 at Brewers (+140)

Logan Webb Over 5.5 K’s (-101)

Mariners/Royals F5 Under 4.5 Runs (+114 at DraftKings)

The Seattle Mariners and Kansas City Royals play the rubber game of their series this afternoon at Kauffman Stadium.

Luis Castillo takes the mound for Seattle, who has allowed one earned run in each of his past two starts.

In three starts since joining the Royals, right-hander Stephen Kolek has given up a total of four runs in nearly 20 innings of work.

In 11 of the past 14 road series finales, the Mariners have scored two runs or less in the first five innings. The Royals are 10-3 to the Under in their last 13 day games in the first five innings.

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Angels F5 at Brewers (+140 at FanDuel)

The Los Angeles Angels are probably ready for this season to end, sitting in last place of the AL West.

The Halos look to avoid a three-game sweep against the NL Central champion Milwaukee Brewers. In each of the first two losses, the Angels trailed the Brewers, 5-1 through five innings.

Los Angeles tries to turn things around with left-hander Yusei Kikuchi, who is 0-5-1 in the first five innings in his past six starts. Kikuchi faced the Brewers last season as a member of the Blue Jays and tossed five scoreless in a 3-0 victory.

Since the All-Star break, Milwaukee is 2-5-1 in the first five innings in home series finales.

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Logan Webb Over 5.5 Strikeouts (-101 at DraftKings)

The Giants are still hanging around the Wild Card race heading into the final three series of the season. San Francisco is two games out of the final playoff spot in the NL as the Giants travel to Los Angeles to face the Dodgers for a critical four-game series.

Webb has struggled in his last two starts against L.A., giving up six runs each time. From the strikeout perspective, the right-hander has posted seven K’s in three of his past four outings.

Webb owns the second-highest K rate in his career at 26.2% and is walking batters at a 5.5% rate, which ranks in the 90th percentile in MLB.


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