If the Astros are in a rebuilding mode, one major element appears ahead of schedule. For the month of May the Astros' staff ERA of 2.75 leads all of Major League Baseball. If one considers that sample too small, the season-long ERA is 3.44 ranks sixth.
The relievers' performance has been especially impressive: The bullpen has a WHIP of 1.19, 7th among all 30 teams for the season. (WHIP is a better barometer for relievers than ERA because it accounts for how many baserunners are allowed as opposed to ERA which may be skewed by one poor outing).
Starters Bud Norris and Wandy Rodriguez have been nearly unhittable in recent weeks. Norris is a candidate for pitcher of the month with a 4-0 record and a .35 ERA for the month. Rodriguez is 4-4 with a 2.14 ERA on the season.
"We're going to try to push each other," said Norris. "I'm trying to catch Wandy, Wandy's trying to catch me. Happ is trying to catch me, I'm trying to catch Happ. I think we've all been throwing the ball really wel...