Why Yankees-Astros hasn’t turned into a full-fledged rivalry

Goliath and his friend, David. (Getty Images)Two years ago, the Astros visited the Bronx for an exciting four-game, regular-season series which led to my guess that Yankees-Astros was the next great MLB rivalry (outside of Yankees-Red Sox, of course).

Since that article, the two teams have played a seven-game ALCS and two hard-fought, regular-season series going into this week. They’ve been must-watch games in the sense that any game between two of the best teams in the league are must-watch.

But has this become a rivalry in a real sense?

There are a few criteria which are hallmarks for a rivalry: Close postseason matchups, marquee players that are villainized on the other side, proximity or…