zack wheelerTerry Collins told Mike Francesa on WFAN on Wednesday, that they might consider calling Zack Wheeler up to the Major Leagues to make his debut, if the back end of the rotation doesn’t improve soon.

Jeremy Hefner, Dillon Gee and Aaron Laffey – You’ve all been warned. Or maybe not.

Collins also said yesterday that it was unclear when exactly Wheeler might be called up.

“Wheeler could be an option soon? I wouldn’t say soon,” Collins said to reporters.

“But it all depends on what happens. That is why you have to be careful what you say. ‘Soon’ could mean July. To you guys it’s Friday, so there is a big difference.”

Sandy Alderson, who recently spoke with Adam Rubin, said Wheeler’s performance at Triple-A Las Vegas is the primary consideration for him to be promoted to the big leagues.

“Super Two status is a consideration. But his level of performance is probably the major consideration. He pitched at Triple-A last year. He’s pitching at Triple-A this year. His last outing was excellent. Let’s see how it goes,”

Wheeler is currently winless in three starts with a 3.86 ERA, but showed great improvement in his last start walking none which was key.