Susan Slusser of the San Francisco Chronicle reports that the Athletics will announce a contract extension for Bob Melvin on Wednesday.
Bob Melvin was ejected from Sunday's game against the Astros for arguing balls and strikes with home plate umpire Quinn Wolcott.
Athletics promoted Darren Bush to the position of hitting coach.
The Angels have given the Athletics permission to interview assistant hitting coach Dave Hansen for their vacant hitting coach position.
Susan Slusser of the Oakland Chronicle reports that the Athletics are interested in Dave Hansen for their hitting coach vacancy.