EXCLUSIVE CONTENT Get ESPN+ NBA calendar: Every important date from now until the playoffsWill Andrew Wiggins and Joel Embiid agree to extensions before the deadline? Bill Streicher/USA TODAY SportsBobby Marks, ESPNAug 24, 2017, 07:50 AM ETCloseFollow on XEmailHere's our guide to every key date and deadline that will shape roster decisions from now until the postseason.