Latos, who has been on the disabled list all season after having right elbow surgery in October and left knee surgery in February, had a setback in April when he strained the flexor mass muscle in his right forearm. He threw 40 pitches in a simulated game on Tuesday, and is expected to throw 50-60 pitches on Sunday.
"We'd like to see him potentially get into a fourth inning, but a lot of that will be dictated on his pitch efficiency," Price said.
Mark Sheldon is a reporter for MLB.com. Read his blog, Mark My Word, and follow him on Twitter @m_sheldon. This story was not subject to the approval of Major League Baseball or its clubs.