The Pittsburgh Pirates host the Seattle Mariners on June 24, 2026. First pitch from PNC Park is scheduled for 6:40 p.m. ET. The game will be broadcast on SportsNet PT.
The Pirates are favored by -118 on the moneyline and are +1.5 on the run line. The Mariners are -102 on the moneyline and -1.5 on the run line. The total is set at 7.5 runs.
Find our MLB picks and Mariners vs Pirates prediction below, as well as probable pitchers, weather report, and more.
Mariners vs Pirates Prediction
- Mariners vs Pirates Pick: Under 7.5 (-103)
Our Mariners vs Pirates best bet is Under 7.5 total runs in this game. Make sure to find the best odds by checking our live MLB odds page.
Mariners vs Pirates Odds
| Mariners Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
-1.5 +166 | 7.5 -117o / -103u | -102 |
| Pirates Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
+1.5 -203 | 7.5 -117o / -103u | -118 |
- Mariners vs Pirates moneyline: Mariners -102, Pirates -118
- Mariners vs Pirates over/under: 7.5 (-117o / -103u)
- Mariners vs Pirates spread: Mariners -1.5 (+166), Pirates +1.5 (-203)
Mariners vs Pirates Probable Pitchers
| Bryan Woo (RHP, SEA) | Stat | Braxton Ashcraft (RHP, PIT) |
|---|---|---|
| 6-5 | W-L | 6-3 |
| 2.3 | fWAR (FanGraphs) | 2.5 |
| 3.94 / 3.27 | ERA / xERA | 3.18 / 2.99 |
| 3.08 / 3.70 | FIP / xFIP | 3.04 / 3.31 |
| 20.3 | K-BB% | 20.3 |
| 35.8 | GB% | 46.3 |
| .269 | BABIP | .297 |
| 109 | Stuff+ | 105 |
| 108 | Location+ | 104 |
Mariners vs Pirates MLB Betting Preview
Both starting pitchers are doing great, and even with the line at 7.5, this matchup screams under.
Bryan Woo has a 1.00 WHIP, and his 3.08 FIP suggests his numbers should be even better, although this is not a surprise coming from the Mariners ace.
On the Pirates' mound, Braxton Ashcraft is enjoying another strong season, with a 1.10 WHIP to go along with the rest of his solid stats.
He's coming off two excellent outings against the Marlins and Athletics, and will face a Seattle lineup that's going through a severe slump, ranking 28th in wRC+ in the last 14 days with an awful 71 rating.
Yesterday's series opener produced only five total runs, and our Bet Labs "Interleague Under Edge" system recommends going again with the under today.
Mariners vs Pirates Pick, Betting Analysis
This system targets unders in interleague (non-conference) games where both teams are winning clubs, and the market sets a modest total (7–10).
The setup leverages:
- Solid teams (49–100% win rate) facing unfamiliar lineups and pitchers
- Later-season matchups (game 22+), when teams settle into pitching rhythms
- Home teams favored (moneyline -260 to -110), suggesting stronger bullpens
- Undervalued run suppression due to lack of offensive familiarity
The result: profitable unders in tighter, more disciplined matchups between quality teams with limited recent exposure to each other.
Pick: Under 7.5 (-103, DraftKings)
