Arthur Green, a veteran who served in two wars, has been a witness to the entirety of the O's modern history.

Arthur Green, 109, throws out the ceremonial first pitch Thursday at Oriole Park. Diamond Images / Getty Images

March 27, 2026, 10:39 AM EDT / Updated March 27, 2026, 11:43 AM EDT

A 109-year-old superfan of the Baltimore Orioles threw out the team's first pitch for Opening Day on Thursday.

Arthur Green, a veteran who served in two wars, has been a witness to the entirety of the O's modern history — since the team was relocated from St. Louis to Baltimore in 1954, according to MLB.com. Green was in his late 30s at the time, and had already served time in both wars.

This wasn't Green's first time on the mound. He threw a pitch in August 2023 , when he was 106.…