HOUSTON—Jose Siri launched himself headfirst into home plate, popped up with arms flexed and screamed with all his might. Welcome to the World Series, rook. The career minor leaguer sparked a team whose biggest stars took a while to shine, sending the Houston Astros to a 7–2 victory over the Atlanta Braves on Wednesday night that evened the Fall Classic at one game apiece. “It’s a long ways from waiver wire and Triple-A to the World Series,” Houston manager Dusty Baker said. “And he’s handled it pretty well.” Jose Altuve doubled early, homered late and scored twice to break out at the plate. Siri’s speed and aggressive play created havoc on the bases, leading to a four-run second inning that helped the Astros snap a five-game skid at home in the World Series. It’s the first time they’ve won a Series game in Houston since a 13–12 victory over the …