Twin bothers Johnny and Eddie O'Brien came up together with the 1953 Pirates, with Johnny the second baseman of the family double-play combination. They each played in 89 games that season, each spent the following season in the military, and came back up in 1955. They both tried pitching; Johnny was both the bettter pitcher (although his record was worse) and hitter (.299 in 1955). He was an All-American at Seattle University. (WOR)

FROM THE BASEBALL CHRONOLOGY » May 10, 1953: Pittsburgh IF Eddie O'Brien and Johnny O'Brien become the first twins to play for the same team in the same game, when Johnny enters the nitecap of a Giants game on defense and Eddie later pinch runs. But the Giants take the twinbill, 4–0, behind Sal Maglie's 3-hitter, and 3–2. In game 2, Jim Hearn comes within two outs of his 13th straight over the Pirates, but falters and Frank Hiller wins in relief. Bobby Hofman's pinch home run in the 9th wins it. » March 31, 1959: In a trade that helps neither team, Milwaukee swaps P Gene Conley, IF Joe Koppe and IF Harry Hanebrink to the Phillies for C Stan Lopata, SS Ted Kazanski and Johnny O'Brien. Conley will go 12–7 before going on the disabled list from August 20th to the close of the season.