Eaton will begin a rehab assignment after throwing a simulated game on Sunday. The right-hander underwent surgery on April 4 after re-injuring the middle finger on his pitching hand and has missed the entire season. He felt no pain after throwing 30 pitches on Sunday. (Updated 7/3/2006) Analysis: The Rangers are targeting his return for the last week of July. Eaton originally injured his finger last June, after starting 9-1 with a 3.18 EAR for San Diego. He followed with two stints on the disabled list and finished 2-4 in his last nine starts.