The Bombers open a critical four-game set against the Astros with Jameson Taillon on the bump. Even sitting at 51-18, the biggest criticism of the Yankees — whether fair or not — has been to question the level of competition they’ve beaten. To say nothing of their most recent 7-2 stretch against the Rays, Blue Jays, and Rays again, I think we can discard any notion of facing weak opponents after this four-game marquee matchup against the Astros — the only other AL team above 40 wins and clear second-best team in the league. Tonight is the date that many…