Josh Contreras has been in Japan since Nov. 25, visiting schools for his son Kevin, who is hoping to participate in a baseball exchange program. He plans to be there until Dec. 7. The Rockies were expected to make a play for Contreras with Rafael Betancourt?s future uncertain. Betancourt has until Monday to accept the Rockies? arbitration offer. Contreras?s son Kevin, who is hoping to take part in an exchange program and play baseball at Fukuoka?s Yanagawa high school, is behind the prospective move to Japan.