Seager, 19, is the youngest player in the AFL, a finishing school for baseball’s top prospects. In 10 games with the Glendale Desert Dogs, he is hitting .162.
The Dodgers’ first-round pick in 2012, Seager was also the youngest player in the California League this year.
The left-handed-hitting Seager started his year at the Dodgers’ low-A affiliate in Great Lakes, Mich., where he batted .309 with 12 home runs and 57 runs batted in in 74 games. In the high-A Cal League, Seager hit .160 in 27 games for Rancho Cucamonga.
Garcia, 23, is in his fifth year in the Dodgers organization. A native of the Dominican Republic, Garcia spent this year at double-A Chattanooga, going 4-6 with a 2.54 earned-run average in 49 relief appearances. He struck out 85 batters in 60 1/3 innings.
Garcia has appeared in six AFL games with the Desert Dogs, posting a 2.35 ERA in 7 2/3 innings.