PITTSBURGH, Pa. -- Plans changed quickly for right-hander A.J. Burnett on Saturday. Originally slated to make his final rehab start with Double-A Altoona, the 35-year-old was reinstated from the 15-day disabled list and made his 2012 Pirates debut at PNC Park against the St. Louis Cardinals in the 2-0 shutout.

Burnett took the mound on a rainy, cold night in Pittsburgh to make his debut in a Pirates uniform since being acquired in a trade with the New York Yankees in February.

The first inning in Burnett's debut was an intense one.

The 35-year-old gave up a four pitch walk to Rafael Furcal to start the frame. Matt Carpenter followed with a single into left field, and the third batter, Matt Holliday, drew the second walk on five pitches to load the bases with no outs.

Burnett, h...

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