Mariners DFA veteran INF Tommy La Stella

The Seattle Mariners designated veteran Tommy La Stella for assignment on Tuesday to open a roster spot for top pitching prospect Bryce Miller.

La Stella, 34, was batting .190 with one extra-base hit and two RBIs in 12 games for the Mariners this season. In 10 major league seasons with six different teams, La Stella is a .266 hitter with 40 home runs and 206 RBIs in 679 games.

Miller, 24, was set to make his major leagu