Question: Who pitched the first no-hitter in orioles history?
Disambiguated questions and answers: question: Who pitched the first no-hitter in orioles franchise history, with the St. Louis Browns?
Who pitched the first no-hitter in orioles history, after the team became the Baltimore Orioles?
Who pitched the first no-hitter on the road, in orioles franchise history?
Who pitched the first no-hitter at home, in orioles franchise history?
answer: Earl Andrew Hamilton
Hamilton
Earl Hamilton
Wilhlem
James Hoyt Wilhelm
Hoyt Wilhelm
"Old Sarge"
Earl Andrew Hamilton
Hamilton
Earl Hamilton
Koob
Ernest Gerald Koob
Ernie Koob
Natural Questions answer: Earl Hamilton (from the Wikipedia article "List of Baltimore Orioles no-hitters")