Red Sox reassigned 1B Tommy Joseph, LHPs Daniel McGrath and Bobby Poyner, and RHPs Bryan Mata and Denyi Reyes to minor league camp.

Joseph joined the Red Sox as a non-roster invitee Friday.

Joseph signed a one-year, $1 million contract with the LG Twins of the KBO on Monday, Jeff Passan of Yahoo Sports reports.

Joseph accepted an outright assignment to Double-A Frisco on Monday.