For Astros rookie center fielder Brandon Barnes, the extraordinary is becoming routine. With a tight game against the Toronto Blue Jays tied at 1 and one out in the bottom of the eighth inning Sunday, Barnes sprinted toward the wall in left-center field while a ball off J.P. Arencibia’s bat skied toward the 375-foot marker. Barnes leapt as speedy Rajai Davis raced around second base, and a contest that had seen several break points narrowly avoided finally appeared to have a resolution. But Barnes was being Barnes. Stretching out his gloved left hand as his right hand braced his 6-2, 205-pound body for impact against an electronic video-display board, Barnes [...]