Wednesday Matchup: Rockies (Marquez) vs. Giants (Samardzija), 1:45 p.m.

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German Marquez has stepped to the front of the rotation in light of the struggles of Kyle Freeland. He is coming off his first career win against the Giants, on April 14 in San Francisco when he one-hit the Giants. Three days earlier, Jeff Samardzija had his success against the Rockies, allowing three hits in seven shutout innings of a 1-0 victory. Interestingly, left-handed-hitting Charlie Blackmon has only hit .270 against Samardzija, but the right-handed bats of Nolan Arenado (.371) and Ian Desmond (.333) have been a challenge for the Giants right-hander.

Brandon Crawford (.375) and Brandon Belt (.500) have had their share of success against Marquez.

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