MLB · Saturday, July 18
Giants vs Mariners Betting Odds – Saturday, July 18
Last game: Saturday, July 18, 2026 · 8:08 PM EDT · T-Mobile Park, Seattle, WA
Odds by Fanduel, updated Oct 9, 2:35 AM ET
- San Francisco Giants are favored by 1.5 runs at -239
- Expected total is 8.5 runs, up from the opening 7
- Mariners 1B Michael Toglia is Out
Giants vs Mariners odds
Odds by Fanduel, updated Oct 9, 2:35 AM ETBet at Fanduel
How has the line moved?
| Captured | Mariners spread | Total |
|---|---|---|
| Sun, Jul 12, 8:08 PM EDT | +1.5 | 7 |
| Thu, Jul 30, 11:50 AM EDT | +1.5 | 7.5 |
| Mon, Aug 17, 3:32 AM EDT | +1.5 | 7.5 |
| Thu, Sep 3, 7:14 PM EDT | +1.5 | 8 |
| Mon, Sep 21, 10:57 AM EDT | +1.5 | 8 |
| Fri, Oct 9, 2:39 AM EDT | +1.5 | 8.5 |
Mariners spread
Total (over/under)
Giants vs Mariners team comparison
| Giants | Mariners | |
|---|---|---|
| 65-97 | Record | 76-86 |
| 4.1 | Runs per game | 4.1 |
| 4.7 | Opponent runs/game | 4.5 |
| -0.6 | Run differential | -0.4 |
| 0 | Head-to-head wins | 4 |
Injuries on both sides
| Team | Player | Pos | Status | Injury | Updated |
|---|---|---|---|---|---|
 Giants | Harrison Bader | CF | Injury reserve | Plantar Fasciitis | Wed, Oct 7, 8:15 PM EDT |
| Giants | Joel Peguero | RP | Injury reserve | Strain | Wed, Oct 7, 8:15 PM EDT |
| Giants | Matt Chapman | 3B | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Giants | Matt Gage | RP | Injury reserve | Strain | Wed, Oct 7, 8:15 PM EDT |
| Giants | Trevor McDonald | SP | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Giants | Casey Schmitt | LF | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Giants | Jesus Rodriguez | C | Injury reserve | Pinched Nerve | Wed, Oct 7, 8:15 PM EDT |
| Giants | Daniel Susac | C | Injury reserve | Fracture | Wed, Oct 7, 8:15 PM EDT |
| Giants | Keaton Winn | RP | Injury reserve | Pinched Nerve | Wed, Oct 7, 8:15 PM EDT |
| Giants | Willy Adames | SS | Injury reserve | Sprain | Wed, Oct 7, 8:15 PM EDT |
| Giants | JT Brubaker | RP | Injury reserve | Bruise | Wed, Oct 7, 8:15 PM EDT |
| Giants | Carson Whisenhunt | SP | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Giants | Adrian Houser | SP | Injury reserve | Strain | Wed, Oct 7, 8:15 PM EDT |
| Giants | Rafael Devers | 1B | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Giants | Nate Furman | 2B | Injury reserve | Strain | Wed, Oct 7, 8:15 PM EDT |
| Giants | Logan Webb | SP | Injury reserve | Abrasion | Wed, Oct 7, 8:15 PM EDT |
| Giants | Bryce Eldridge | DH | Injury reserve | Concussion | Wed, Oct 7, 8:15 PM EDT |
| Giants | Blade Tidwell | RP | Injury reserve | Sprain | Wed, Oct 7, 8:15 PM EDT |
| Giants | Hayden Birdsong | Starting Pitcher | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Giants | Jose Butto | Relief Pitcher | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
 Mariners | Matt Brash | RP | Injury reserve | Strain | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Will Wilson | 3B | Injury reserve | Fracture | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Luke Raley | RF | Injury reserve | Strain | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Cole Wilcox | RP | Injury reserve | Strain | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Colt Emerson | SS | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Michael Toglia | 1B | Out | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Brendan Donovan | 3B | Injury reserve | Concussion | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Emerson Hancock | SP | Injury reserve | Strain | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Nick Davila | RP | Injury reserve | Sprain | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Andres Munoz | RP | Injury reserve | Inflammation | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Brock Rodden | SS | Injury reserve | Inflammation | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Kade Anderson | SP | Day-to-day | Bruise | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Josh Naylor | 1B | Out | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Mariners | Cal Raleigh | C | Out | Surgery | Wed, Oct 7, 8:15 PM EDT |
Consensus Bets on this game
No consensus data yet for Giants at Mariners. Check back closer to game time.
Previous games
Frequently asked questions
Who is favoured in Giants vs Mariners?
San Francisco Giants were favoured by 1.5 runs (-1.5)
What is the spread for Giants vs Mariners?
Mariners +1.5, Giants -1.5. Opened at +1.5 for Mariners
What time is Giants vs Mariners?
No game is currently scheduled
What is Giants vs Mariners head-to-head record?
Giants 0, Mariners 4 in recent games