Looking for expert MLB player prop predictions for Sep 20, 2026? Our AI breaks down the key data from the Rockies vs Mariners matchup so you can make smarter picks today.
In this MLB game, the Mariners are listed as the favorites with a -165 Moneyline, which gives them an implied 62.26% chance to win.
Rockies Preview:
These players have been hitting the ball well recently:
- Jake McCarthy has gotten a hit in 8 of his last 10 games (hit his line in 50% of 10 games)
- Kyle Karros has gotten a hit in 8 of his last 10 games (hit his line in 80% of 10 games)
- TJ Rumfield has gotten a hit in 8 of his last 10 games (hit his line in 40% of 10 games)
The player with the highest projected chance at a Home Run is:
- Adael Amador has a 0.19 Home Run projection
Mariners Preview:
These players have been hitting the ball well recently:
- Dominic Canzone has gotten a hit in 9 of his last 10 games (hit his line in 30% of 10 games)
- Randy Arozarena has gotten a hit in 9 of his last 10 games (hit his line in 40% of 10 games)
- Josh Naylor has gotten a hit in 8 of his last 10 games (hit his line in 50% of 10 games)
The player with the highest projected chance at a Home Run is:
- Randy Arozarena has a 0.43 Home Run projection
Roster Outlook
| Rockies | Mariners |
|---|---|
| Projected Pitcher | Projected Pitcher |
| TBD | TBD |
| Projected Roster | Projected Roster |
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Rockies
| Projected Pitcher |
| TBD |
| Projected Roster |
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Mariners
| Projected Pitcher |
| TBD |
| Projected Roster |
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Recent Form
Rockies
Last 5 Games (2-3)
| Date | Opponent | Result | Score |
|---|---|---|---|
| Sep 19 | vs SEA | W | 5-3 |
| Sep 18 | vs SEA | L | 4-5 |
| Sep 17 | vs SD | L | 2-9 |
| Sep 16 | vs SD | L | 3-9 |
| Sep 15 | vs SD | W | 9-3 |
Mariners
Last 5 Games (2-3)
| Date | Opponent | Result | Score |
|---|---|---|---|
| Sep 19 | vs COL | L | 3-5 |
| Sep 18 | vs COL | W | 5-4 |
| Sep 16 | vs LAA | W | 7-2 |
| Sep 15 | vs LAA | L | 1-2 |
| Sep 14 | vs LAA | L | 4-6 |
Explore more MLB player prop predictions with PlayerProps.ai, or use our Prop Predictor tool to find today’s top edge picks.
Frequently Asked Questions
What are the best player prop bets for Rockies vs Mariners?
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Our AI models are analyzing the latest data for this MLB matchup. For the most current player prop recommendations, check our Prop Predictor tool.
What time does Rockies vs Mariners start?
The game is scheduled for 9/20/2026, 3:10:00 PM.
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