Cardinals ace Adam Wainwright (groin) to start season on IL

St. Louis Cardinals right-hander Adam Wainwright will open the season on the injured list with a strained groin.

Cardinals manager Oliver Marmol told reporters Thursday that Wainwright sustained the injury during a weight room workout Tuesday ahead of Team USA's World Baseball Classic championship game vs. Japan.

Marmol said Wainwright likely will miss "several weeks."

Wainwright, who sports a 195-117 career record wit