Marcos Mateo played catch at Naruohama on June 4. He managed to stretch his throws out to forty meters. He resumed playing catch on June 3 and maxed out at twenty meters. The pain in his right shoulder is slowly going away.
Mateo will try to throw a little further tomorrow. If there are no issues, he could resume throwing in the bullpen some time next week.
Source: Daily Sports 6/4/2016