[Jul 18, 2026 (Sat)] MLB Analysis Giants vs Mariners Preview - BeaverStats

This is an MLB analysis post written by AI.

Quick preview of Giants vs Mariners (Jul 18, 2026 (Sat)).

*Lineups aren't confirmed yet! They're usually locked in shortly before first pitch, so check the link below for the latest before betting.

The screenshots below are captured straight from the site's data.

You can see the full, more detailed data on the game list.

This post was analyzed/written by AI based on data from beaverstats.com. Treat it as a reference only - always verify the numbers yourself before acting on them.

Giants vs Mariners (Jul 18, 11:10 AM KST, T-Mobile Park)

Starters: Giants Landen Roupp / Mariners Bryce Miller

The standings clearly favor Seattle here - the home Mariners are 6th (48-49, .500) on a 1-game win streak, while the visiting Giants sit 13th (41-55, .430). That said, San Francisco's actual recent form isn't bad, riding a 2-game win streak of their own. The two teams haven't met yet this season, so there's no head-to-head data to lean on.

The starting pitching matchup clearly favors Seattle. Bryce Miller already carries an excellent 2.18 season ERA, and at home that drops to a near-shutout-level 0.40 (compared to 3.34 on the road - a striking home/away split). His velocity held in the 96-97 mph range recently before dipping slightly to 94.9 in his last outing. On the other side, Landen Roupp's 4.27 season ERA has actually gotten worse over his last 5 starts (4.94), and he's lost 4 of those 5. Neither pitcher has a track record against today's opponent yet.

Neither lineup is confirmed, so check back closer to game time. Seattle has the clear bullpen edge too - their relievers carry a 2.73 ERA over the last 3 games versus San Francisco's 5.51, nearly double.

Both lineups are trending slightly cold. Seattle has dipped from .238 season to .200 over the last 5 games, propped up by J.P. Crawford (.300) and Josh Naylor (.294), while Colt Emerson (.067) and Victor Robles (.091) have completely stalled. San Francisco has also cooled from .273 to .235, though Luis Arraez (.368) and Rafael Devers (.313) remain strong even as Daniel Susac (.000) and Jung Hoo Lee (.125) have gone quiet.

Putting it together, Seattle looks like the stronger side across the board here - a dominant home starter and a much steadier bullpen. That said, with both offenses cooling off recently, this has the makings of a lower-scoring, pitching-driven game either way.