Sentence 1: At the Labor Eve 2016 , Bute was named as a replacement for Julio Cesar Chavez Jr. , to challenge Badou Jack for the WBC Super - Middleweight - Championship .
Sentence 2: On Labor Eve 2016 , Bute was named as the replacement for Julio Cesar Chavez Jr. to challenge Badou Jack for the WBC Super Middleweight Championship .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?