Sentence:  Keegan , a 6 - foot - 3 - inch 158 - pounder , gave up the Orioles ' last two safeties over the final three frames , escaping a load of trouble in the <WSD>ninth</WSD> when the Birds threatened but failed to tally . 
Meaning of the word marked with <WSD> tags:  coming next after the eighth and just before the tenth in position