The Yankees expect McMahon (thumb) to be activated Tuesday, per Meredith Marakovits of YES Network.
McMahon expects to return to the big-league club just 11 days after being sidelined to the injured list. This year, the 31-year-old is slashing .216/.282/.367 with 10 home runs and 32 RBI over 306 plate appearances. With the rosters expanding on Sept. 1, McMahon should be able to rejoin the big-league club with no corresponding move.