Joba Chamberlain is knocked out of the game in the 1st inning with a bruised right knee after being hit by a line drive off the bat of Adam Jones. The Yankees still defeat the Orioles, 7 – 4, as Robinson Cano drives in three runs. Alfredo Aceves pitches 3 1/3 scoreless innings in relief of Chamberlain to earn the Bronx Bombers’ 9th straight win.

On May 21, 2009 — Joba Chamberlain is knocked out of the game in the 1st inning with a bruised right knee after being hit by a line drive off the bat of Adam Jones. The Yankees still defeat the Orioles, 7 – 4, as Robinson Cano drives in three runs. Alfredo Aceves pitches 3 1/3 scoreless innings in relief of Chamberlain to earn the Bronx Bombers’ 9th straight win.

Source:
Baseball Reference May 21