After allowing two earned runs over eight innings on Sunday, Clayton Kershaw's ERA took a big hit, jumping from 1.67 to 1.70. This was the first time in five starts that he hadn't lowered that already paper-thin number. Here's some more perspective on yet another dominant performance.Shrinking the GiantsWith his fifth-straight win Kershaw improved to 19-3 on the season and 13-5 all-time against the Giants. Lowest Career ERA vs Single OpponentMinimum 20 Starts – Since 1912His career ERA against San Francisco rose to 1.