MLB's Top FA Signing Michael Brantley Has Turned Astros Offense into Best Ever

If the Houston Astros hadn't signed Michael Brantley, we probably wouldn't be about to discuss their offense as the best in Major League Baseball history.

But they did, and so here we are.

The Astros are rolling, folks. After a good-not-great April, they've won 11 of 14 and eight in a row in May. Their 29-15 record puts them atop MLB, which is right about where a team that won 204 games across 2017 and 2018 ought to be.

Justin Verlander, Gerrit Cole and the rest of the Astros pitching staff deserve their share of the credit. It does rank second in the American League with a 3.52 ERA, after all.

Yet it's Houston's offense that makes the team go. As of the start of play Thursday, it co-led MLB…