Fantasy Impact - Lopez is underused because of his splits, leading him to only pitch a few innings a year. Because of this, he is not fantasy worthy.
Predictions - 3-1, 40 IP, 35 H, 10 ER, 12 BB, 32 K (2.25 ERA, 1.18 WHIP)
For more info on Lopez's signing see: http://espn.go.com/mlb/story/_/id/10042646/javier-lopez-re-signs-san-francisco-giants-three-years-13-million
Image citations in order of page: http://www.examiner.com/article/giants-re-signing-of-lopez-keeps-core-bullpen-together