The Toronto Blue Jays host the Seattle Mariners on August 29, 2026. First pitch from Rogers Centre is scheduled for 3:07 p.m. EDT. The game will be broadcast on SNET.
The Blue Jays are favored by -124 on the moneyline and by -1.5 on the run line. The Mariners are +110 on the moneyline and +1.5 on the run line. The total is set at 7.5 runs.
Find my MLB picks and Mariners vs Blue Jays prediction below, as well as probable pitchers, weather report, and more.
Mariners vs Blue Jays Prediction
- Mariners vs Blue Jays Pick: Kade Anderson Under 4.5 Strikeouts (-105, DraftKings)
My Mariners vs Blue Jays best bet is on Kade Anderson to go under his strikeouts total. Make sure to find the best odds by checking our live MLB odds page.
Mariners vs Blue Jays Odds
| Mariners Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
+1.5 +167 | 7.5 -109o / -111u | +110 |
| Blue Jays Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
-1.5 -205 | 7.5 -109o / -111u | -124 |
- Mariners vs Blue Jays moneyline: Mariners +110, Blue Jays -124
- Mariners vs Blue Jays over/under: 7.5 (-109o / -111u)
- Mariners vs Blue Jays spread: Blue Jays -1.5 (+167 ), Mariners +1.5 (-205)
Mariners vs Blue Jays Probable Pitchers
| Kade Anderson (SEA, LHP) | Stat | José Soriano (TOR, RHP) |
|---|---|---|
| 0-0 | W-L | 10-7 |
| -0.1 | fWAR (FanGraphs) | 2.4 |
| 4.76/2.81 | ERA / xERA | 3.43/4.47 |
| 6.97/4.77 | FIP / xFIP | 3.75/3.75 |
| 13.6% | K-BB% | 12.9% |
| 33.3% | GB% | 51.9% |
| .231 | BABIP | .287 |
| 97 | Stuff+ | 97 |
| 87 | Location+ | 104 |
Mariners vs Blue Jays MLB Betting Preview
The Seattle Mariners complete their weekend clash against the Toronto Blue Jays at Rogers Centre in a matchup carrying significant weight for both sides as the calendar turns toward September.
Seattle hands the ball to 21-year-old rookie left-hander Kade Anderson for just his second major-league start. The 2025 third-overall pick dominated Minor League Baseball this season—posting a 10-1 record with a 1.06 ERA across 18 starts in the farm system—before earning his promotion.
In his big-league debut against the Chicago Cubs on August 22, Anderson flashed impressive tools, allowing three earned runs while recording five strikeouts over 5.2 innings pitched (81 total pitches). Facing a disciplined Blue Jays lineup on the road presents a stiff second test for the young starter.
Toronto counters with veteran right-hander Jose Soriano, who has served as a stable presence in the Blue Jays' rotation. Soriano carries a 10-7 record, a 3.43 ERA, and a 1.29 WHIP over 144.1 innings pitched into Saturday's action.
Behind Soriano's ability to limit long balls (just 13 home runs allowed in 144.1 IP) and a balanced offensive group, the Blue Jays hold a clear run-prevention edge over Seattle's unproven rookie starter.
Mariners vs Blue Jays Pick, Betting Analysis
PRO Projections identified an edge targeting Seattle rookie Kade Anderson's strikeout total.
As a 21-year-old making his second career start in the major leagues, Seattle's coaching staff is handling Anderson with caution. In his MLB debut on August 22, Anderson was pulled after 81 pitches over 5.2 innings. PRO Projections project Anderson for just 4.85 innings (around 20 total batters faced) on Saturday. With such a strict ceiling on his workload, clearing 5 strikeouts requires an unusually high strikeout percentage.
PRO Projections model Anderson for 4.2 strikeouts in Saturday’s matchup, creating a clear statistical buffer against the posted total of 4.5. His projected strikeout rate drops from his MiLB rates down to 7.8 K/9 when facing major league hitters. On a standard ~20-batter workload, averaging less than one strikeout per inning keeps his most expected outcomes squarely at 3 or 4 Ks.3
The Blue Jays present a challenging matchup for high-strikeout starters, particularly left-handers. Toronto's lineup ranks among the league's most disciplined at making contact in zone, working deep pitch counts and forcing pitchers to put the ball in play.
Pick: Kade Anderson Under 4.5 Strikeouts (-105, DraftKings)
