Barnhart is out of the lineup for Sunday's game against the Marlins, Jordan Bastian of MLB.com reports.
Barnhart has a .464 OPS in 45 plate appearances and will take a seat Sunday for the third time in the past four games. Top catcher Yan Gomes (concussion) is on the injured list, and rookie Miguel Amaya is 1-for-5 with two RBI since his promotion Tuesday.