Sen. Corker on scrapping retirement plans: 'At this point, nothing has changed'

The Tennessee lawmaker also refrained from supporting behind Marsha Blackburn.

MEMPHIS, Tenn. --

As ABC News previously reported, Corker has "been encouraged to reconsider his decision and is listening closely," according to spokesman Micah Johnson.

At Saturday night's event in Memphis, Corker also would not commit to supporting Blackburn saying, "At this point, I don’t have anything to say but at some point I might."

Corker has until April to file paperwork to run in the Senate race.