Both men were selected to the third team All-South Region.
McDaniel and Arens were both previously named first team All-ODAC after hitting .412 and .351, respectively, during the regular season.
Arens also earned ODAC All-Tournament honors after helping SU to its first-ever league title on April 26.
McDaniel finished the season as the team's leading hitter with a .384 average while Arens, who also graduated this spring but has a year of eligibility remaining, hit .329.
This is the second straight year that Arens has earned D3baseball.com All-Region honors.