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Line Moves MLB Sep 6, 2026 · 1:13 PM

MLB Steam Move Report

KNOW WHAT’S MOVING AND WHY

Two totals have drawn significant Under money today. Boston–Baltimore dropped from 7.5 to 7, while San Francisco–New York fell an entire run from 9 to 8.

𝗕𝗢𝗦𝗧𝗢𝗡 𝗥𝗘𝗗 𝗦𝗢𝗫 𝗔𝗧 𝗕𝗔𝗟𝗧𝗜𝗠𝗢𝗥𝗘 𝗢𝗥𝗜𝗢𝗟𝗘𝗦

Opening total: 7.5
Current total: 7
Move: 0.5 runs toward the Under

WHY THE TOTAL MOVED

Baltimore’s offense has completely disappeared. The Orioles have been shut out in consecutive games, have not scored in their last 18 innings and have produced only 12 runs during their five-game losing streak.

They went 0-for-8 with runners in scoring position Saturday and struck out 10 times. This has not simply been a case of bad luck on hard-hit balls. Baltimore has struggled to sustain innings, produce quality at-bats with runners aboard and generate anything beyond occasional isolated power.

The confirmed Orioles lineup is also missing Jackson Holliday, Samuel Basallo and Luis Robert Jr. Baltimore still has home-run threats in Pete Alonso, Coby Mayo, Christian Encarnacion-Strand and Gunnar Henderson, but the current batting order becomes considerably thinner after the middle.

PAYTON TOLLE IS THE CENTER OF THE HANDICAP

Tolle enters with an 8-6 record, a 3.23 ERA, a 1.10 WHIP and 147 strikeouts in 131⅔ innings. His ability to miss bats gives him a legitimate path through a Baltimore lineup that has been pressing and striking out in important situations.

The Under does not require seven scoreless innings from Tolle. Five or six solid innings may be enough if Baltimore continues providing little resistance offensively.

BOSTON IS NOT USING ITS STRONGEST LINEUP

Ceddanne Rafaela and Wilyer Abreu are both absent from Boston’s confirmed lineup. The Red Sox still have Roman Anthony, Adley Rutschman and Trevor Story near the top, but the bottom five consists of Nick Sogard, Caleb Durbin, Jarren Duran, Andruw Monasterio and Eli White.

Boston is capable of doing damage against Kyle Bradish, but this is not its deepest offensive configuration.

THE RISK TO THE MOVE

Bradish is the weak point in the Under argument. He owns a 4.01 ERA and a 1.42 WHIP and has surrendered 12 runs over his last 15 innings. If his command problems continue, Boston could threaten this number without much help from Baltimore.

Weather is not pushing the total downward. Conditions are expected to be sunny and around 81 degrees with a light wind and no rain concern.

BETTING IMPACT

There is a legitimate handicap behind the move: Baltimore’s prolonged offensive slump, Tolle’s swing-and-miss ability and two less-than-complete lineups.

The problem is the number. Under 7.5 had value because a seven-run game still won. At Under 7, scores such as 4-3 and 5-2 are pushes. The market appears to have identified the correct direction, but the best of the number is already gone.

𝗦𝗔𝗡 𝗙𝗥𝗔𝗡𝗖𝗜𝗦𝗖𝗢 𝗚𝗜𝗔𝗡𝗧𝗦 𝗔𝗧 𝗡𝗘𝗪 𝗬𝗢𝗥𝗞 𝗠𝗘𝗧𝗦

Opening total: 9
Current total: 8
Move: 1 run toward the Under

WHY THE TOTAL MOVED

This is the more aggressive move of the two. Dropping a full run is notable under any circumstances, but it stands out even more because these teams combined for 14 runs and six home runs Saturday.

The market is clearly treating Saturday’s offensive explosion as an outlier rather than the beginning of a trend.

CHRISTIAN SCOTT BRINGS REAL STRIKEOUT UPSIDE

Scott enters with a 4-4 record, a 3.80 ERA, a 1.31 WHIP and 113 strikeouts in 94⅔ innings. That is approximately 10.7 strikeouts per nine innings.

He is also making the start on eight days’ rest. The extra recovery time, his strikeout ability and a favorable matchup against the bottom half of San Francisco’s lineup give him a reasonable chance to control the early innings.

The Giants hit six home runs Saturday, but four came against Zac Thornton, who endured the worst start of his rookie season. Sunday presents a different pitching profile.

THE GIANTS’ LINEUP IS EXTREMELY THIN

San Francisco’s confirmed lineup begins with Jonah Cox, Rafael Devers and Bryce Eldridge. After those three, the Giants are using Osleivis Basabe, Turner Hill, Andrew Knizner, Shay Whitcomb, Grant McCray and Christian Koss.

Devers remains the clear danger, especially after homering twice Saturday. Eldridge also supplies power, but there are several inexperienced or low-impact bats surrounding them.

Matt Chapman, Willy Adames and Jung Hoo Lee are not in the starting lineup. That creates a substantial drop in proven major-league production and gives Scott multiple places to attack.

CESAR PERDOMO OFFERS UPSIDE BUT ALSO CREATES RISK

Perdomo owns a 2.25 ERA and a 1.00 WHIP, but those numbers come from only four major-league innings. This will be his first career start.

The positive case is that New York has not seen much of him, and his left-handed delivery creates useful matchups against several left-handed or switch-hitting Mets. Limited familiarity can favor the pitcher the first time through the order.

The concern is workload. Four successful relief innings are not enough evidence to assume Perdomo will work deep into the game. An early exit would leave San Francisco’s bullpen responsible for a large portion of the afternoon.

THE METS STILL HAVE A DANGEROUS TOP HALF

New York’s confirmed lineup includes Francisco Lindor, Juan Soto, Bo Bichette, Carson Benge, Mark Vientos and Marcus Semien in the first six spots.

That is why the move to 8 cannot be treated as an automatic Under play. The Mets have enough quality near the top to punish an inexperienced starter, and San Francisco’s bullpen carries a 4.26 ERA.

WEATHER SHOULD BE QUIET

Conditions at Citi Field are expected to be around 73 degrees with light wind and no substantial rain threat during the game.

Weather is not the primary reason for the move. At most, the mild conditions offer a small contrast to warmer, more favorable hitting environments elsewhere on the schedule.

BETTING IMPACT

The Under move makes sense primarily because Scott has legitimate strikeout ability and the confirmed Giants lineup is considerably weaker than the group’s six-home-run performance Saturday might suggest.

However, moving from 9 to 8 is enormous. The current number has removed a full run of protection, while Perdomo’s limited major-league history and San Francisco’s bullpen create legitimate late-game risk.

The market’s original Under position was defensible. Following it at 8 requires much more confidence in Scott controlling San Francisco and Perdomo surviving the first two trips through the Mets’ lineup.

BOTTOM LINE

Boston–Baltimore has the cleaner underlying case. Baltimore is ice cold, Tolle is established and both lineups are missing important bats. The concern is that Under 7 has lost the protection offered by the opening 7.5.

Giants–Mets is the larger move, but it carries more uncertainty. Scott and San Francisco’s weakened lineup support the Under, while Perdomo’s first career start and the Giants’ bullpen create clear ways for it to fail.

Both moves have legitimate reasoning behind them. Neither current number is as attractive as its opener. Understanding why the market moved is valuable, but getting there after the best number disappears is a different wager entirely.

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