The MLB regular season is in full swing, and some of the league’s top starting pitchers have hit the ground running. Some of them will be take the mound on Thursday, looking to continue dominating.

Let’s look at the top strikeout prop bets for Thursday.

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Today’s best MLB Strikeout Prop Bets

#5: David Peterson under 4.5 strikeouts +126

New York Mets starting pitcher David Peterson was solid in his first start of the season against the Pittsburgh Pirates. He pitched 5.1 innings and gave up zero earned runs.

However, he struck out only three hitters, and there is a good chance that the trend will versus the San Francisco Giants.

#4: Robbie Ray over 6.5 strikeouts -118

The San Francisco Giants’ Robbie Ray is coming off a strong 2025 season. He is once again an important member of the team’s starting rotation.

Ray did not have the best of starts to the campaign, giving up two earned runs in 5.1 innings to the New York Yankees. However, he could have more success against the Mets on Thursday.

#3: Reynaldo Lopez under 4.5 strikeouts -123

After an injury-hit 2025 season, Reynaldo Lopez started this season strong. He pitched six innings in his first start, giving up one earned run and striking out three versus the Kansas City Royals.

He’ll take the mound against the Diamondbacks on Thursday. Arizona does not strike out much, ranking 12th in strikeout percentage. Lopez will likely finish with less than five strikeouts to his name.

#2: Ryne Nelson over 4.5 strikeouts +120

The Arizona Diamondbacks’ Ryne Nelson was disappointing in his first start of the season, giving up four earned runs in 4.2 innings to the LA Dodgers. He is expected to bounce back at Chase Field on Thursday.

#1: Cole Ragans over 7.5 strikeouts +107

Kansas City Royals lefty Cole Ragans tops the list. Although he gave up four earned runs in four inning to the Atlanta Braves in his first appearance of the season, he struck out five.

He could get a few more Ks if he stays in Thursday’s game longer.