MLB Auction begins 0001 EST Sunday (24th). Feb 22, 2019 4:33:23 GMT -5 Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Northumberland Reivers on Feb 22, 2019 4:33:23 GMT -5 Rosters lock at 2359 EST Saturday (23rd) so any minor league promotions need to be posted in the update thread in the MiLB auction forum by then.