Preview for Tuesday, September 15, 2026. Schedule and player information can change.
Atlanta Braves at Chicago Cubs
Atlanta sends Martín Pérez to the mound against Kevin Gausman in a matchup of veteran right-and-left-handed arms with contrasting statistical profiles. Pérez carries a 3.08 ERA over about 131.7 innings this season, and while his WP-calculated FIP of 4.31 suggests the earned run figure has run a bit better than his peripherals, it remains the stronger runs-allowed mark between the two starters. Gausman has thrown more innings, around 166.3, but his 4.60 ERA is the highest number on either side, even though his FIP of 3.84 is actually lower than Pérez's, pointing to some considerably better underlying performance beneath a rougher surface result.
Looking at the two clubs as a whole, Chicago's offense rates ahead of Atlanta's on WP-estimated wOBA, 0.334 to 0.312, giving the Cubs the edge in overall hitting output by that measure. On the pitching side, the Braves hold the better team-wide numbers, with a 3.62 ERA and 4.16 FIP compared to Chicago's 4.18 ERA and 4.76 FIP, so Atlanta's staff as a group has prevented runs more effectively than Chicago's this season.
Roster-wise, Atlanta has Rayven Antonio and Starlyn De La Cruz listed on the 60-Day IL, while Bryce Elder is listed on the 15-Day IL. Chicago has Tyler Austin, Brandon Birdsell, and Ben Brown all listed on the 60-Day IL. None of these designations speak to who takes the field tonight, but they reflect the depth situations each organization is managing. Taken together, the numbers present a split picture: Chicago's lineup metric and Gausman's FIP lean one way, while Atlanta's team pitching marks and Pérez's ERA lean the other, making this a game where the two sides' respective strengths point in opposite directions.
Statistical scope: MLB Stats API; 2026 regular season season-to-date; exact statistical through-date not supplied.
WP selection: Braves +1.5. Confidence: Slight Lean.
The selection is supplied separately by WP. The comparisons above do not establish why the model made this selection.
WP home-run candidate for Braves: Michael Harris II. The selection uses roster and season-stat inputs; it does not establish a confirmed batting lineup or favourable betting odds.
WP home-run candidate for Cubs: Michael Conforto. The selection uses roster and season-stat inputs; it does not establish a confirmed batting lineup or favourable betting odds.
Predictions are uncertain; no outcome is guaranteed. Check the picks page for the latest available selections.