Heyman also confirmed reports that the Mets are very hesitant to trade any of the pitchers and view them as virtually untouchable at this deadline. Sproat, who came into the season as the Mets top prospect, now ranks fifth, while Tong and McLean have shot up to No. 2 and 3 (respectively) behind stellar seasons.

Dylan Cease, Steven Kwan or Eugenio Suarez on the move? Here's what could rock the deadline with less than 48 hours left to trade.