Chavez, who had singled to lead off the game, was attempting his first stolen base of the season.
The umpires also reviewed a close play on a groundout by Dustin Ackley leading off the ninth. That out call also went unchanged, as the umpires confirmed that Cabrera's throw beat Ackley to first base.
Greg Johns is a reporter for MLB.com. Follow him on Twitter @GregJohnsMLB as well as his Mariners Musings blog. This story was not subject to the approval of Major League Baseball or its clubs.