O's add Miguel Gonzalez to rotation

CHICAGO -- The Baltimore Orioles recalled right-hander Miguel Gonzalez from Triple-A Norfolk to start Sunday's game against the Cubs.

Gonzalez replaces struggling right-hander Ubaldo Jimenez (4-9, 4.74 ERA) in the Orioles rotation. Gonzalez allowed one run in six innings against the Toronto Blue Jays in his last major league start on Aug. 7.

Gonzalez is 6-6 with a 3.80 ERA in 20 games and 19 starts for Baltimore this season.

Infielder Cord Phelps was designated for assignment. He went 0 for 3 in three games with the Orioles. After hitting .258 with 49 RBIs in 97 games at Triple-A. He has played 56 games over four major league seasons with the Orioles and Cleveland Indians.