12:56 PM - Ryan Walker (SF) will serve as an opener in Wednesday's game against the Mets, Alex Pavlovic of NBC Sports Bay Area reports.

1:09 PM - Ryan Walker (SF) (2-2) struck out two in a perfect inning to earn the win Saturday over the Diamondbacks.

1:18 PM - Ryan Walker (SF) (1-0) struck out two in a perfect inning to earn the win Sunday over the Padres.

3:52 PM - Ryan Walker (SF) has allowed a hit and hit one batsman over two scoreless innings in Cactus League play.

12:40 PM - Ryan Walker (SF) (4-3) allowed three runs on two hits and three walks while striking out two over two-thirds of an inning to take the loss in Game 1 of Saturday's doubleheader versus the Rockies.

10:37 AM - Ryan Walker (SF) will serve as the Giants' opening pitcher for Tuesday's game against the Cubs at Wrigley Field.

4:41 PM - Ryan Walker (SF) Francisco activated Walker from the paternity list Tuesday.

5:20 PM - Ryan Walker (SF) Giants placed Walker on the paternity list Saturday, Evan Webeck of San Jose Mercury News reports.

2:07 PM - Ryan Walker (SF) struck out four over two scoreless frames while serving as the Giants' opening pitcher in Monday's 10-2 loss to the Rays. He worked around two hits and one walk in the 39-pitch outing.

8:34 PM - Ryan Walker (SF) will serve as the opener for Monday's game against the Rays, Susan Slusser of the San Francisco Chronicle reports.

1:26 PM - Ryan Walker (SF) (4-1) allowed a run on a hit and a walk in one-third of an inning to take the loss Saturday versus the Athletics.

1:11 PM - Ryan Walker (SF) will serve as the Giants' opening pitcher in Wednesday's game versus the Athletics, Danny Emerman of KNBR 680 San Francisco reports.

11:12 AM - Ryan Walker (SF) will serve as the Giants' opening pitcher for Saturday's game against the Rockies at Oracle Park, Susan Slusser of the San Francisco Chronicle reports.

4:06 PM - Ryan Walker (SF) will serve as the Giants' opening pitcher for Tuesday's game against the Blue Jays, Alex Pavlovic of NBC Sports Bay Area reports.

8:13 AM - Ryan Walker (SF) did not factor into the decision Saturday, allowing one run on two hits and one walk over one inning against Arizona. He struck out two.

12:43 PM - Ryan Walker (SF) will serve as the Giants' opening pitcher in Wednesday's game against the Padres, Susan Slusser of the San Francisco Chronicle reports.

12:12 PM - Ryan Walker (SF) Giants selected Walker's contract from Triple-A Sacramento on Friday.