The Oakland A's recalled right-handed pitcher Tyson Ross and infielder Eric Sogard from Class AAA Sacramento and sent down right-handed pitcher Evan Scribner and infielder Adam Rosales to Sacramento, the team announced Saturday.
The A's also sent first baseman Kila Ka'aihue to Sacramento and clearing waivers.
Ross is 2-1 with a 2.45 ERA in four Class AAA starts and is 2-6 with a 6.51 ERA in nine starts with the A's.
Sogard is batting .304 with a home run and nine RBI in 18 games with the River Cats and .136 with two home runs and six RBI in 21 games with the A's.
Scribner pitched two scoreless outings with the A's.
Rosales is hitting .167 in 13 games overall with Oakland.
Ka'aihue was designated for assignment June 6 after batting .234 with four home runs and 14 RBI in 39 games.