The Athletics announced on Sunday that they optioned pitchers Eury De La Rosa and Chad Smith to Triple-A affiliate Nashville.
With the Diamondbacks a year ago, De La Rosa posted a 2.95 ERA in 25 appearances. But with the A's this spring training, De La Rosa has a 4.50 ERA with two earned runs and four hits allowed in four innings pitched. He's struck out five batters.
Smith has a 4.50 ERA in two innings pitched for the A's this spring. He's allowed three hits and one earned run while striking out one batter.
The Athletics also announced that they have reassigned Matt Buschmann , Bruce Maxwell , Alden Carrithers and Niuman Romero to minor-league camp.