"We're just trying to get him through the remainder of the season," manager John Farrell said, "hopeful that he will get back on the field."
The absence of Napoli has given more at-bats to Allen Craig, who started in four of the last five games. He sat Tuesday when Daniel Nava played first base with Rays righty Alex Cobb on the mound. Craig went 1-for-14 over those four games.
Steven Petrella is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.