This is the 13631st most frequent Korean word.
루친스키는
"루친스키는" refers to "Rucinski," typically a name, with "-는" marking it as the subject in Korean.
In this sentence, '루친스키는' is the subject indicating that Rucinski is performing the action of throwing a fastball.
루친스키는 직구를 잘 던져요.
Rucinski throws a good fastball.
Here, '루친스키는' serves as the subject of the sentence, implying that Rucinski is the person I met.
루친스키는 야구장에서 직접 만났어요.
I met Rucinski directly at the baseball field.
In this usage, '루친스키는' identifies the individual (Rucinski) being discussed and highlights his performance this season.