By C. Trent Rosecrans
The Giants have officially activated closer Brian Wilson from the disabled list, placing Santiago Casilla on the disabled list with an inflamed right elbow, Andrew Baggarly of the San Jose Mercury News tweets .
The team also announced first baseman Travis Ishikawa cleared waivers and was outright to Triple-A Fresno.
Casilla appeared in one game for the Giants this season, allowing a hit and a run against the Dodgers on opening day.
Wilson missed five games while he was on the DL with a strained oblique.
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