Though the Auburn Tigers have been quite successful in this year’s basketball offseason, particularly in recruiting and transfer acquisition, things may be getting a little shaky on the Plains. Namely, Mantas Rubštavičius, who was hailed as one of the Tigers’ best offseason acquisitions, has yet to sign with the Tigers despite his commitment.  “I can’t speak on it right now,” Auburn head coach Steven Pearl said during SEC spring meetings. “But as soon as we’re able to, we’ll put a comment out there.” Rubštavičius committed to Auburn exactly two weeks ago . NEWS: Mantas Rubštavičius has committed to Auburn, Tadas Bulotas of The Team tells DraftExpress. The 6'8 24-year-old brings extensive experience in the EuroLeague, EuroCup and Lithuanian national team. DX's No. 1 international wing prospect committing to the NCAA route.…