This article is part of our MLB Picks series.
MLB Best Bets Tonight: Free MLB Picks for Tuesday, August 30
Last Article's Record: 2-4 -3.09 units
Season Record:161-147-4 +24.41 units
For users in Kansas, the state is launching sports betting on September 1 and RotoWire has all the latest information and FAQ for Kansas Sports Betting ahead of the state's launch this week.
Cleveland Guardians 
at Baltimore Orioles 
On paper, the pitching matchup of Cal Quantrill vs. Spenser Watkins does not scream marquee, but there is value in both pitchers who have been pitching well recently. Both pitchers have an ERA around 3.00 over their last seven starts.
The Orioles have gone UNDER in 10 out of their last 12 games and the Guardians have gone UNDER in 15 out of their last 20 (1-8-1 UNDER last 10). Those are strong trends both on the pitching and team side.
MLB Best Bets for Guardians at Orioles
- Guardians/Orioles UNDER 8.5 runs for 1 RW buck (BetMGM)
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Seattle Mariners 
at Detroit Tigers 
Much like the first game, we have two decent starting pitchers without huge fanfare. George Kirby was a top prospect before getting promoted and has delivered above expectations. But Matt Manning has a 2.37 ERA in 7 starts, with even stronger numbers at home (0.69 ERA in 4 starts). The Tigers are a weak offensive team, especially against right-handed pitchers, which has me on the under 8.
MLB Best Bets for Mariners at Tigers
- Mariners/Tigers UNDER 8 runs for 1.20 RW buck (FanDuel -120)
The FanDuel Kansas promo code gives users $150 in free bets on Launch Day (Sept.1).
Kansas City Royals 
at Chicago White Sox 
The line in this game is all you need to know about how far the White Sox and Lucas Giolito have fallen from a year ago. The White Sox are currently -134 home favorites against Brady Singer and the Royals. A year ago, this line could have been -334 on the White Sox. But Giolito has had a disastrous 2022 with a 5.14 ERA and the White Sox are 2 games under .500.
Meanwhile, Singer looks to have come into his own with a 1.79 ERA in his last seven starts. We have even more data when it comes to head-to-head, as Singer has a 1.87 ERA in his last five starts vs. the White Sox. Giolito has a 5.54 ERA in his last 5 starts against the Royals.
As crazy as it sounds, you can make a strong case the Royals and Singer should be favored in this game.
MLB Best Bets for Royals at White Sox
- Royals +120 for 1 RW buck (FanDuel +100)
Colorado Rockies 
at Atlanta Braves 
This line opened Braves -350 and immediately went to Braves -375 or higher. A complete mismatch with Jose Urena vs. Max Fried along with the Rockies' poor road splits have made this game a must-play. While Urena's ERA of 5.98 ERA is disturbing, the road ERA is 4.21. Fried has a 2.52 ERA and is relatively the same home or road.
While we never lay -350 plus, there are ways to bet this game and find an edge. It is very tempting to lay -2.5 runs in this spot, but I will stick with the standard -1.5 run line at -165.
MLB Best Bets for Rockies at Braves
- Braves -1.5 runs for 1.65 RW buck (DraftKings -165)
For users in Kansas, be sure to use the DraftKings Kansas promo code where the pre-live bonus nets users $100 in free bets
MLB Best Bets Today Recap
- Guardians/Orioles UNDER 8.5 runs for 1 RW buck (BetMGM)
- Mariners/Tigers UNDER 8 runs for 1.20 RW buck (FanDuel -120)
- Royals +120 for 1 RW buck (FanDuel +100)
- Braves -1.5 runs for 1.65 RW buck (DraftKings -165)
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Visit RotoWire all season long for exclusive sports betting picks from our group of handicappers with their expert MLB picks each day of the campaign. Remember that betting apps vary in terms of odds and available MLB player props, so we have an easy-to-use MLB odds page that allows you to shop for the best lines at DraftKings, FanDuel, BetMGM and PointsBet.
Before you place your bets, be sure to use all of RotoWire's MLB resources, like our MLB Lineups page, MLB Weather page, and the best batter vs. pitcher stats.
