Bettis, who has been out since July 19 with right elbow inflammation, will start on Tuesday night against the Atlanta Braves. Bettis is 5-4 with a 4.88 ERA in 13 starts.
Hale is 3-5 with a 6.15 ERA in 11 games, including 10 starts. He allowed a combined 10 earned runs in 11 innings in his last two starts. He has won only one of his last eight starts.