The Rockies have made a move to bolster their rotation as they stage a late push for a playoff berth, placing a waiver claim for Astros starter Wandy Rodriguez, according to multiple reports. The Houston Chronicle and FoxSports.com, both citing unidentified sources, reported on Tuesday night that the Rockies were negotiating to acquire the seven-year veteran from the Astros. Rodriguez, a lefty, is 9-9 with a 3.31 ERA. He also has two more years remaining on his three-year, $34 million contract. Read more: http://espn.go.com/mlb/story/_/id/6...-claim-houston-astros-starter-wandy-rodriguez