MLB Expert Picks for Tuesday, Aug. 18 Our team of experts has thoroughly researched and handpicked each product that appears on our website. We may receive compensation if you sign up through our links. Jason Wilson is an experienced journalist who has worked in a variety of roles within the industry for the past 18 years. The best value on tonight's MLB slate has to be the Marlins as +233 underdogs against the Phillies. It's a line too good to pass up in our MLB expert picks on Tuesday, Aug. 18. Miami Marlins second baseman Xavier Edwards (9) hits during the MLB game between the Philadelphia Phillies and Miami Marlins at Citizens Bank Park on Monday, August 17, 2026. We may be in the dog days of summer, but there is a full slate of baseball waiting for us, so it can't be all bad! offer a trio of moneyline predictions, including the underdog Miami Marlins as an upset special over Zack Wheeler and the Philadelphia Phillies.The Marlins don't need to rely on big swings or home runs to score. They can manufacture runs in a variety of ways, which is exactly the approach you want against a pitcher like Wheeler. The Marlins are trading at 33 cents on Polymarket, but I price them closer to 37 cents, which gives us enough of an edge to hit the button.We're running with a large sample size of success with Robbie Ray and the hot hand in Zac Thornton tonight. This New York Mets lineup has 82 at-bats against Ray and owns just a .204 xBA while striking out 30% of the time.What sold me here is their astronomical 37% whiff rate against the San Diego Padres' prized deadline acquisition - look for him to end New York's four-game winning streak, too. has been lights out in Milwaukee, posting a 1.38 ERA across 10 home starts. He's backed by a bullpen in good form, ranking third in ERA over the last two weeks. has allowed nine earned runs across two August starts and hasn't been the same pitcher on the road, where his ERA is more than double his mark at home.The Brewers' bullpen has also been a disgrace lately, posting an MLB-worst 7.17 ERA over the past two weeks. Milwaukee is one of MLB's top home teams, going 12-4 at American Family Field since the All-Star break. Our team of experts has thoroughly researched and handpicked each product that appears on our website. We may receive compensation if you sign up through our links.Jason Wilson is an experienced journalist who has worked in a variety of roles within the industry for the past 18 years. Working at community newspapers in New Brunswick, Jason wore many hats as a reporter, editor, and photographer, covering everything from sports to courts to municipal politics.After shifting gears and working as an educator for a few years in the 2010s, Jason returned to full-time work in media as an MLB news editor for six years at theScore in Toronto before joining Covers in late 2021. He has honed his editorial acumen over his years in the industry, showcasing flexibility, patience, and a strong work ethic.While he was relatively new to sports betting upon joining Covers, Jason has taken the plunge with gusto to learn the ins and outs of the industry, both as a method to improve professionally and to add an extra angle to his sports fandom. In addition to sports, Jason is an avid film nut and former movie critic who monitors the Academy Awards betting odds for Covers.Jason holds a Bachelor of Arts in journalism degree and a Bachelor of Education degree from St. Thomas University. MLB Player Props & Best Bets for Today, Aug. 18