J. RANDAL HALL, Chief District Judge.
Plaintiff filed this case in March 2015. (Doc. 1.) Since then, at the parties' request, the Court has amended the scheduling order five times. (Docs. 30, 32, 34, 36, 38.) Under the latest amended scheduling order, discovery closed on August 8, 2016, and dispositive motions were due September 7, 2016. (Doc. 38.) After discovery closed and the parties did not timely file any dispositive motions, the Court set this case for trial for the week of August 7, 2017. (Doc. 41.) On May 3, 2017, Defendants filed a motion for summary judgment (doc. 42), which the Court denied as untimely (doc. 48). In response to the Court's denial of their motion for summary judgment, Defendants now ask the Court to retroactively extend the dispositive-motions deadline by nine months. (Doc. 49.) But because good cause does not exist, see Fed. R. Civ. P. 16(b) (4), the Court