No batter has faced Clayton Kershaw more times than former San Francisco Giants catcher Buster Posey. No pitcher has faced Posey more than Kershaw. Posey, for the record, owns a career .221 batting average and three home runs against Kershaw in their 120 plate appearances. Posey is done trying to beat Kershaw in the batter’s box, but he struck a huge blow against the rest of the National League from the Giants’ front office Sunday.