Yankees ace Masahiro Tanaka successfully began his Minor League rehabilitation assignment at Triple-A Scranton/Wilkes-Barre on Thursday night with three scoreless innings, throwing 25 of his 41 pitches for strikes. Tanaka threw 29 pitches in a bullpen session on Monday at Nationals Park and reported no issues. He has been on the disabled list since April 29 with right wrist tendinitis and a right forearm strain.