MLB · Tuesday, July 21
Reds vs Mariners Betting Odds – Tuesday, July 21
Last game: Tuesday, July 21, 2026 · 9:40 PM EDT · T-Mobile Park, Seattle, WA
Odds by Fanduel, updated Oct 9, 2:39 AM ET
- Cincinnati Reds are favored by 1.5 runs at +103
- Expected total is 9 runs, up from the opening 7.5
- Reds CF Dane Myers is Out
Reds vs Mariners odds
Odds by Fanduel, updated Oct 9, 2:39 AM ETBet at Fanduel
How has the line moved?
| Captured | Mariners spread | Total |
|---|---|---|
| Wed, Jul 15, 9:40 PM EDT | +1.5 | 7.5 |
| Sat, Aug 1, 10:39 PM EDT | +1.5 | 8 |
| Tue, Aug 18, 11:39 PM EDT | +1.5 | 8 |
| Sat, Sep 5, 12:39 AM EDT | +1.5 | 8.5 |
| Tue, Sep 22, 1:39 AM EDT | +1.5 | 8.5 |
| Fri, Oct 9, 2:39 AM EDT | +1.5 | 9 |
Mariners spread
Total (over/under)
Reds vs Mariners team comparison
| Reds | Mariners | |
|---|---|---|
| 75-87 | Record | 76-86 |
| 4.1 | Runs per game | 4.1 |
| 5.1 | Opponent runs/game | 4.5 |
| -1.0 | Run differential | -0.4 |
| 0 | Head-to-head wins | 4 |
Injuries on both sides
| Team | Player | Pos | Status | Injury | Updated |
|---|---|---|---|---|---|
 Reds | Blake Dunn | CF | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Reds | Spencer Steer | 1B | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Reds | Hunter Greene | SP | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Reds | Julian Garcia | RP | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Reds | Chase Burns | SP | Injury reserve | Strain | Wed, Oct 7, 8:15 PM EDT |
| Reds | Tony Santillan | RP | Injury reserve | Surgery | Wed, Oct 7, 8:15 PM EDT |
| Reds | Dane Myers | CF | Out | 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 Reds at Mariners. Check back closer to game time.
Previous games
Frequently asked questions
Who is favoured in Reds vs Mariners?
Cincinnati Reds were favoured by 1.5 runs (-1.5)
What is the spread for Reds vs Mariners?
Mariners +1.5, Reds -1.5. Opened at +1.5 for Mariners
What time is Reds vs Mariners?
No game is currently scheduled
What is Reds vs Mariners head-to-head record?
Reds 0, Mariners 4 in recent games