The Colorado Rockies host the San Francisco Giants on September 3, 2025. First pitch from Coors Field is scheduled for 8:40 p.m. EDT; the game will be broadcast on COLR.
Find my MLB betting preview and Giants vs Rockies prediction, pick and odds below, as well as probable pitchers, betting trends, injury reports and more.
My Giants vs Rockies Prediction
- Giants vs Rockies picks: Over 11
My Giants vs Rockies best bet is Over 11. Make sure to find the best odds by checking our live MLB odds page.
Giants vs Rockies Odds
| Giants Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
-2.5 +105 | 11.5 -105o / -115u | -210 |
| Rockies Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
+2.5 -125 | 11.5 -105o / -115u | +170 |
Kenny Ducey’s Giants vs Rockies Preview
San Francisco Giants Betting Preview
Robbie Ray may be cooking this year, for all intents and purposes, but the wheels have begun to fall off for the 33-year-0ld as he heads down the home stretch of his first full season since 2022.
Ray's Expected Batting Average spiked to .261 in August, with his Expected Slugging remaining a poor .458. Coming off a disastrous July in the xSLG department, he's now been operating over 50 points higher than the league average in that area and will now step into the hitter-friendly Coors Field.
The left-hander has always been liable to give up home runs, but his strong strikeout rates have mitigated most of that risk. Well, his whiff rate has now come in at 24.7% over the last two months, which is three points lower than his season average and right around the league average. That's led to a sub-20% strikeout rate, though the only good news is that his longstanding issues with walks have taken a back seat.
Ray may be squaring off a team, that lacks power and strikes out a ton, but it's becoming evident just how bad things can get when he's not generating strikeouts and allowing more fly balls.
Colorado Rockies Betting Preview
Speaking of fly balls, German Marquez is back for the Rockies to serve up some meatballs. I don't mean to disparage a man who's lost essentially two years due to injury, and perhaps we should applaud him for making it this far into the 2025 season. At any rate, this has been a trying season for the righty, who has been pitching at a high 26.6% fly-ball rate for a guy who was firmly a ground-ball pitcher for most of his career.
Now, the Giants own a nightmarish .695 OPS against fly-ballers, which ranks 25th in baseball, but they also play at a home park where it's hard to get the ball out into the seats. They also look like a different team right now with a stunning .224 Isolated Power in the last two weeks, and that could leave Marquez and his .493 xSLG as minced meat here.
The right-hander is striking out batters at just a 15.3% clip with a 46.8% hard-hit rate, both of which are in the bottom 10% of the league, so it's not even as if he can attack a San Francisco offense, which has had issues making contact all season.
Giants vs Rockies Prediction, Pick
Unfortunately, we're going to have to be brave and take a pubic side with the Over in this one. While 91% of the bets and 89% of the money are heading that way, we can at least rest a bit easier knowing that some sharp action has also hit the Over.
I just can't see a way out of this for Marquez, who will have to pitch against arguably the hottest offense in baseball right now — and one which has finally cleaned up its strikeout issues. On the opposite end, we've covered Ray's steady decline this season, and his steep drop in whiff rate could mean the world for a Rockies team that has hit a decent .256 in the last two weeks, but one that has struck out in a brutal 25.1% of plate appearances.
If Ray can help Colorado get the ball into play more here, we know what the result will be — particularly for a fly-ball pitcher that's continued to lose a longstanding battle against the home run. We probably only need a few runs from the Rockies to get home here, anyway.
Pick: Over 11 (-119) | Play to Over 11.5 (-102)
