He earned his first major league against the San Francisco Giants on June 20, pitching 7 innings of one run ball.Koehler was optioned to the Triple-A New Orleans Zephyrs on July 4, 2013 when Henderson Álvarez was activated from the disabled list.
Joe Henderson | Henderson | Florence Henderson | Fernando Álvarez de Toledo, 3rd Duke of Alba | Nic Henderson | Eddie Henderson | Henderson, New Zealand | Shirley Henderson | Dickie Henderson | Scott Henderson | Manuel Álvarez Bravo | Brian Henderson | Skitch Henderson | Nicky Henderson | Henderson's Boys | Fernando Álvarez de Toledo | Eddie Henderson (musician) | Alvarez hypothesis | Walter Alvarez | Leonel Álvarez | Henderson Motorcycle | Henderson, Kentucky | Gerard Henderson | Al Alvarez | Vicki Butler-Henderson | Ray Henderson | Paul Henderson | Ken Henderson | Josh Henderson | James Pinckney Henderson |