Astros ride rookies to 4th win in row;Martinez, Altuve ignite offense; Lyles solid in start;

Astros update Saturday: Astros 7, Giants 5. Record: 42-84.Today: At Minute Maid Park, 1:05 p.m. Pitchers: Henry Sosa (0-2)vs. Dan Runzler (1-2). TV/radio: FSH; 740 AM and 1010 AM (Spanish).As the Astros enjoy their best stretch ofbaseball of the season, they can again credit the kids. Rookiesdrove in six of their seven runs, four coming from J.D. Martinez,and 20-year-old Jordan Lyles pitched five good innings for the winas the Astros again beat the reigningchampion San Francisco Giants, this time 7-5 at Minute Maid Park.The Astros , wearing their "Los Astros " jerseys for the first timeas a nod to the Hispanic community, tied their season high with afour-game winning streak and clinched their first winninghomestand.