Giants' Blake Snell scratched from start, put on IL

(Photo credit: John Hefti-USA TODAY Sports)
The San Francisco Giants scratched left-hander Blake Snell from his scheduled start on Wednesday and placed the two-time Cy Young Award winner on the 15-day injured list with a left adductor strain.

Right-hander Landen Roupp was recalled from Triple-A Sacramento by the Giants, who tabbed right-hander Ryan Walker (2-2, 3.46 ERA) to make his first start of the season on Wednesday