Royals sign Grimm; option 4 to Triple-A Omaha

In addition to optioning four players to Triple-A Omaha and designating Sam Gaviglio for assignment on Sunday morning, the Royals also announced they have signed reliever Justin Grimm, who was released by the Cubs just three days earlier, to a one-year Major League contract worth $1.25 million, with $300,000 in performance-based incentives, according to a source.