Giants turn to Ryan Walker in bid for sweep of Mets

(Photo credit: John Hefti-USA TODAY Sports)
The San Francisco Giants were quite active ahead of their bid for a three-game sweep of the visiting New York Mets on Wednesday afternoon.

The Giants scratched left-hander Blake Snell from his scheduled start 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 S