A pair of rookie right-handers are in line to square off when the Athletics visit the Pittsburgh Pirates on Saturday in the second contest of their three-game series.
Bubba Chandler reportedly will make his third MLB start for Pittsburgh, while Luis Morales will head to the mound for his eighth for the A's.
Morales (4-1, 3.08 ERA) has won two of his past three outings.
Morales, who will turn 23 on Wednesday, beat the St. Louis Cardinals on Sept. 1 after allowing two runs and five hits over 5 2/3 innings in the 11-3 victory.
He notched his most recent victory last Sunday, giving up three runs in the first two innings before blanking the Cincinnati Reds over the next three in the 7-4 win.
The A's (73-81) scored two runs in the bottom of the fifth inning to put Morales in position for th