X-rays on Alonso's left wrist came back negative Wednesday, Tim Healey of Newsday reports.

Hernandez (shoulder) made the third appearance of his rehab assignment with Single-A St. Lucie on Sunday, striking out one while allowing no hits and one walk over 1.1 scoreless innings.

Diaz (knee) told Ken Rosenthal of The Athletic that he believes he can join the Mets before the end of the season. "If everything keeps going how it's going, we've got a chance to pitch," said Diaz. "The trainers and doctors will decide, but I feel great. Let's see what's coming for us."

Quintana (ribs) is scheduled to throw live batting practice Monday, Tim Healey of Newsday reports.

Mets manager Buck Showalter announced Tuesday that Locastro will require surgery to repair the torn UCL in his right thumb, Tim Healey of Newsday reports.

Uceta (ankle) began a rehab assignment Thursday with Triple-A Syracuse and allowed two unearned runs on no hits and four walks over 1.1 innings.