Doubling back, doubling down

Steven Bisig-Imagn ImagesThe Mariners have the deepest and perhaps best lineup in MLB.

The lineup was already great. It’s difficult to size up a group that plays half its games in a magenta-splashed house of horrors, but the Mariners’ 110 wRC+ is fourth best in MLB and fourth best in team history. It’s been their strength for most of the season.

The lineup is now even better with Eugenio Suárez and Josh Naylor. With those additions, the Mariners’ active roster has posted 101.7 Batting Runs Above Average in 2025 — the most in MLB. They don’t get to retroactively assume the runs Suárez and Naylor delivered in Arizona (nor erase the days of Leody Taveras), but at the moment, the Mariners have…