San Francisco Giants at Chicago Cubs

Trevor McDonald (2-3, 4.50) gets the ball for San Francisco against Jameson Taillon (2-5, 5.13) under the lights at Wrigley, with first pitch at 7:30 PM CT on Sunday Night Baseball. Pinnacle has the Cubs as a slim -114 favorite on a total of 7.5 — a respectful nod to Taillon at home and not much more, given he's been homer-prone all year.

This series has been a split personality. Friday turned into one of the uglier afternoons Wrigley has seen in a while — Giants 18, Cubs 3, seven home runs, Matt Chapman with a grand slam, Edward Cabrera lit up for 8 runs before getting the hook in the 3rd. Then Saturday flipped entirely, with the Cubs grinding out a 3-2 win. So we get a rubber game with both clubhouses still processing what the hell happened 24 hours apart.

San Francisco Giants

(26-39)

Jun 6L@ Cubs2-3

Jun 5W@ Cubs18-3

Jun 4W@ Brewers12-9

Jun 3W@ Brewers1-0

Jun 2L@ Brewers3-8

Chicago Cubs

(34-31)

Jun 6Wvs Giants3-2

Jun 5Lvs Giants3-18

Jun 5Wvs Athletics7-6

Jun 4Lvs Athletics4-5

Jun 3Lvs Athletics1-2

The bigger story here is the Cubs themselves. Chicago started 26-12, looked like a problem in the NL Central, and has spent the last five weeks giving it all back — they've now lost 18 of their last 25 entering this game, including a winless homestand before the Giants showed up. A 34-31 record looks fine on paper. The vibes at Wrigley do not match the paper.

San Francisco isn't exactly a juggernaut at 26-39 — fourth in the NL West, miles behind the Dodgers — but the bats have woken up on this road trip. Cubs starter Taillon has been the rough spot of Chicago's rotation, and McDonald has been steady-if-unspectacular, going 5 innings of 3-run ball against Milwaukee in his last outing. Neither guy projects to dominate, which is why the over/under sits at 7.5.

San Francisco Giants

(12)

• 10-Day-ILHeliot Ramos LF — Ramos (quadriceps) will begin a hitting progression at the Giants' spring training complex in Arizona on Monday, Susan Slusser of the San Francisco Chronicle reports.
• 10-Day-ILHarrison Bader CF — Bader isn't in the lineup for Saturday's game against Colorado, Susan Slusser of the San Francisco Chronicle reports.
• 15-Day-ILMatt Gage RP — The Giants placed Gage on the 15-day injured list with knee inflammation Wednesday, reports Susan Slusser of the San Francisco Chronicle.
• 15-Day-ILTyler Mahle SP — The Giants placed Mahle on the 15-day injured list Friday, retroactive to Wednesday, due to a left hamstring strain, Justice delos Santos of The San Jose Mercury News reports.
• 60-Day-ILJoel Peguero RP — The Giants placed Peguero on the 60-day injured list Monday due to a left hamstring strain, John Shea of the San Francisco Chronicle reports.
• 60-Day-ILJared Oliva CF — Oliva (wrist) started at designated hitter and went 2-for-2 with two stolen bases, a double, an RBI and a run scored in Triple-A Sacramento's 6-4 loss to Reno on Saturday.
• 60-Day-ILReiver Sanmartin RP — Sanmartin (hip) tossed a scoreless inning in Triple-A Sacramento's 11-6 win over Sugar Land on Tuesday.
• 60-Day-ILJason Foley RP — Foley (shoulder) earned a hold in Triple-A Sacramento's 6-5 loss to Round Rock on Wednesday, allowing one hit in a scoreless inning.

Chicago Cubs

(12)

• Day-To-DayBrandon Birdsell RP — Birdsell (elbow) will miss the entire 2026 season, Jim Callis of MLB Pipeline reports.
• Day-To-DayJeff Brigham RP — Brigham was placed on the 7-day injured list at Triple-A St. Paul, retroactive to April 6, with a left oblique strain, TwinsDaily.com reports.
• Day-To-DayJaxon Wiggins SP — Cubs manager Craig Counsell said that Wiggins was placed on Triple-A Iowa's 7-day injured list Wednesday due to right elbow inflammation, Meghan Montemurro of the Chicago Tribune reports.
• 10-Day-ILMatt Shaw RF — Shaw (back) began a rehab assignment with Triple-A Iowa on Tuesday, going hitless in three plate appearances.
• 15-Day-ILMatthew Boyd SP — Boyd (knee) will make a rehab start with Triple-A Iowa on Saturday, Taylor McGregor of Marquee Sports Network reports.
• 15-Day-ILRiley Martin RP — Martin has been diagnosed with flexor strain in his left elbow and is expected to miss eight weeks, Taylor McGregor of Marquee Sports Network reports.
• 60-Day-ILHunter Harvey RP — The Cubs moved Harvey (triceps) from the 15-day IL to the 60-day IL on Sunday.
• 60-Day-ILJustin Steele SP — Manager Craig Counsell said Tuesday that Steele's (elbow) setback will keep him sidelined until after the All-Star break, Taylor McGregor of Marquee Sports Network reports.

The IL lists tell the rest of the story. The Giants are running out a bullpen held together with duct tape — Randy Rodriguez, Hayden Birdsong, Jose Butto and Rowan Wick are all 60-day guys, with Tyler Mahle now joining the rotation casualties. The Cubs lost Justin Steele until after the All-Star break and Matthew Boyd is still working back. Whichever bullpen blinks first probably loses this one.

Take the Cubs at -114 if you trust Taillon to keep the ball in the yard at Wrigley, which is a real ask. Take the Giants at +103 if you think Chicago's slide isn't done yet. The honest read: this is a coin flip on national TV between two teams trending in opposite directions from where they expected to be in June.