The San Diego Padres purchased the contract of left-hander Wil Ledezma from Triple-A Portland on Wednesday, replacing traded pitcher Randy Wolf on the roster.

Ledezma, a former Brave, was 0-2 with a 5.04 ERA in six starts and eight relief appearances before he was designated for assignment on June 10. He went 1-0 with one save and a 4.41 ERA in 11 relief appearances for Portland.

The Padres traded Wolf, a left-handed starter, to the Houston Astros for a minor leaguer on Tuesday.

Following a 9-5 loss to Cincinnati, the Padres optioned left-hander Joe Thatcher to Portland. Thatcher gave up five hits and retired only two batters in the seventh inning, which included Adam Dunn's grand slam. Thatcher had an 8.42 ERA in four stints with the Padres this season.