San Francisco Giants starter Matt Cain cut short a bullpen session on Saturday according to the San Francisco Chronicle.
Cain has dealing with what the Giants called a Grade 1 hamstring strain. While one could take this as a sign that Cain will not make his next scheduled start manger the Giants have not released any information yet.
Through eight starts Cain has a 3.66 ERA and a 1.22 WHIP.
