 Adam Joseph DeBus , Jr . ( October 7 , 1892 – May 13 , 1977 ) was a German American professional baseball player whose career spanned three seasons , one of which was spent with the Major League Baseball ( MLB ) Pittsburgh Pirates ( 1917 ) . Over his MLB career , DeBus , an infielder , compiled a .229 batting average , 12 runs scored , and 10 runs batted in ( RBI ) in 118 at-bats .
 sierpniu 2003 , DeBus , then 110 years old , became the oldest living former major player in MLB .
DeBus was