Links: Posey's Return, Samardzija's Call-up

• The San Francisco Giants catching prospect Buster Posey has missed the last four games after being hit on the head with a curveball, reports Henry Schulman of the San Francisco Chronicle.  Posey will return to action tonight.
• The Chicago Cubs have recalled relief pitcher Jeff Samardzija to the majors after having started the season in Triple-A, reports the Seattle Times.