New York Mets vs St. Louis Cardinals Picks and Predictions – March 31, 2026

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The Mets head into Tuesday night at 3-1 after taking Monday’s series opener 4-2, while the Cardinals sit at 2-2 and are trying to stop a two-game skid. First pitch is set for 7:45 p.m. ET at Busch Stadium, with Kodai Senga making his season debut against Andre Pallante in a game that has New York favored again on the road.

That is the part of this matchup I keep coming back to. New York has looked steadier through the first four games, especially on the pitching side, and now it hands the ball to the better starter on paper. St. Louis still has enough early power to make this uncomfortable, particularly at home, but the Mets have the cleaner overall profile right now and they are priced that way.

Senga did not pitch in the majors yet this season, but his 2025 line was strong enough to trust the upside: a 3.02 ERA, 109 strikeouts, and a 1.31 WHIP in 113 1/3 innings. Pallante is also making his first start of 2026, though last season was much rougher, with a 5.31 ERA, 1.44 WHIP, and only 111 strikeouts in 162 2/3 innings. Forecasts point to warm conditions in St. Louis with some breeze blowing out, so this is not a spot where weather automatically kills offense.

New York Mets vs St. Louis Cardinals Odds

These are the current betting lines, and bettors should always monitor the latest MLB odds before locking anything in because this market has already hovered in the Mets -158 to -170 range with a total of 8.5.

TeamMoneylineRun LineTotal
New York Mets-168-1.5 (-102)O 8.5 (-105)
St. Louis Cardinals+139+1.5 (-118)U 8.5 (-115)
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New York Mets Betting Form

New York’s offense has not been overwhelming yet, but it has been organized. Through four games, the Mets own a .357 OBP and are averaging 5.5 runs per game, which matters because this lineup does not need to homer three times to create pressure. Juan Soto, Francisco Lindor, Luis Robert Jr., and a still-settling Bo Bichette group give them enough on-base skill and enough damage potential to stay dangerous even when the power has not fully shown up. That is one reason they keep landing near the top of the daily MLB picks conversation on a short slate.

The pitching has been even more important. The Mets allowed just two runs Monday, got another clean finish from Devin Williams, and have opened the year with a strong team ERA. There are still bullpen absences, with A.J. Minter and Nate Lavender unavailable, and Francisco Lindor was flagged as questionable with a hand issue even though he remained in projected lineups Tuesday, so this is a game where checking the final lineup card matters.

Senga is the real betting hinge. The strikeout stuff is clearly stronger than Pallante’s, and his 2025 numbers show both the ceiling and the one concern. He missed bats at a good clip, but the 55 walks in 113 1/3 innings tell you he can create his own traffic if the command drifts. Still, if his splitter is sharp early, the Mets have the better first-five profile in this game.

St. Louis Cardinals Betting Form

The Cardinals are 2-2, but the profile is not empty. They are hitting .263 with a .445 slugging percentage through four games, and the power has shown up faster than the patience, with six home runs already but just a .302 OBP. Nolan Gorman has been one of the early damage bats, Alec Burleson has hit the ball well, and rookie JJ Wetherholt has already been involved near the top of the lineup. That is why St. Louis still feels live on the home side of today’s MLB previews, even after dropping Monday’s opener.

There are a few lineup limitations, though. Lars Nootbaar remains out, Hunter Dobbins is on the injured list, and St. Louis is still asking younger or less established pieces to absorb more plate appearances than usual this early in the year. That can work in spurts, but against a starter like Senga it can also create cold stretches where the offense gets very swing-and-miss heavy.

Pallante is where the Cardinals’ side becomes tricky. He can keep the ball on the ground and move through innings when he is ahead in counts, but last year’s 5.31 ERA and 1.44 WHIP are hard to ignore, and the strikeout rate was modest for a starter carrying this price range. Against a Mets lineup that has gotten on base consistently, that pitch-to-contact style can turn into a problem fast if he falls behind.

New York Mets vs St. Louis Cardinals Matchup Breakdown

The clearest edge belongs to New York in the starting pitching matchup. Senga brings more swing-and-miss, more put-away ability, and frankly more room to dominate the first half of the game. Pallante needs efficiency and soft contact. Senga can simply miss bats, and in a matchup like this that matters more than people think. It is one of the first things I would weigh in any MLB betting guide because starter quality is driving the full shape of this market.

The offensive contrast is interesting too. The Mets have been the better on-base team, while the Cardinals have shown more early-game slug. That leaves two different paths to offense. New York can string together traffic, force deeper counts, and pressure Pallante into the part of the game where extra baserunners become crooked numbers. St. Louis is more likely to score with one swing, especially if the warm weather and breeze out play a little friendlier than Busch usually does.

I do not see a major rest or travel edge either way since both clubs are already in the same series, and Monday’s opener did not look like a bullpen-draining mess on either side. That keeps me focused on the simpler question: which team has the better chance to control the first six innings? For me, it is the Mets. If you like comparing your read against other sharp market opinions, this is also the kind of matchup where checking how top sports handicappers are splitting side versus total can actually help.

New York Mets vs St. Louis Cardinals Predictions and Best Bets

My moneyline lean is still New York, but I do not love paying a full road favorite tax into the -165 to -170 range unless I think the edge is pretty clean. The edge is real here, mostly because of Senga against Pallante, but the price is no longer cheap. That pushes me a little more toward the run line or first-five angle rather than a straight moneyline lay.

The total is a tougher call than it looks. A fresh Senga start, a decent Mets bullpen, and Busch Stadium usually make the under feel tempting. But 8.5 is not a tiny number, and the weather leans warmer than a typical March game in St. Louis. Add in Pallante’s contact profile and the Mets’ early OBP, and I think New York is more likely to do the heavy lifting on scoring than St. Louis is.

So the best value, at least to me, is getting off the steep moneyline and asking the Mets to win by margin. They have the better starter, the better on-base profile, and the more trustworthy run-prevention setup entering Tuesday. That does not guarantee a comfortable night, obviously, but it is the cleaner price play on the board.

Best Bet: Mets -1.5 (-102)

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