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May 20: RHP Kodai Senga skips bullpen session
Scheduled to throw a bullpen on Sunday, Senga postponed it due to a bout of tightness he began feeling in his right triceps. The Mets don't consider the issue serious and expect Senga to throw a bullpen by the end of the week. But it represents yet another delay in the progression of Senga, who was originally diagnosed with a shoulder capsule strain in late February.

"We continue to deal with a unique athlete," manager Carlos Mendoza said Monday. "He just doesn't want to push it. Yesterday, he felt like it wasn't the day for him to get on the mound and let it all out. We just decided to be patient about it, and we'll continue to work with him."

May 20: RHP Yohan Ramírez traded to Dodgers for cash; INF Joey Wendle released
The Mets jettisoned two players from their organization on Monday after designating them for assignment last week. Ramírez, twice a Met already this season, went to Los Angeles. Wendle cleared waivers completely and is now a free agent. The Mets are on the hook for the balance of Wendle's $2 million salary unless he signs elsewhere, in which case they'll owe him only a portion of that deal.

In an unrelated move, the Mets also optioned reliever Grant Hartwig to Triple-A Syracuse to clear space for Tylor Megill, who came off the injured list to start Monday's game.

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10-DAY/15-DAY INJURED LIST

RHP Drew Smith (right shoulder soreness)
Expected return: Late May or early June
Smith, who began experiencing shoulder tightness during his big league outings in late April, threw rehab innings for Triple-A Syracuse on May 8 and May 11, but he felt a "pinch" in the back of his shoulder as he was preparing to come off the IL on May 14. The Mets don't consider the setback serious, and Smith resumed throwing on May 16. He is scheduled to toss a bullpen session on May 21 and will require an additional Minor League rehab stint before the team considers activating him. (Last updated: May 20)

RHP Shintaro Fujinami (right shoulder strain)
Expected return: TBD
Sidelined at Triple-A Syracuse since early May, Fujinami was recalled and placed on the 15-day IL on May 13. The procedural move will allow the Mets to place Fujinami on the 60-day IL and remove him from the 40-man roster should that become necessary. But it might not. Although the Mets are still seeking clarity on Fujinami's injury, they don't believe he will require surgery. (Last updated: May 16)

LHP Brooks Raley (left UCL strain)
Expected return: TBD
Raley, a heavily used reliever who was having trouble recovering between outings in mid-April, learned during a May 15 visit to orthopedic surgeon Dr. Keith Meister that he is dealing with a strained left UCL. He plans to resume throwing in late May in an effort to avoid Tommy John surgery. That, however, is far from guaranteed.

Raley was a surprise addition to the Mets' injured list before their April 21 game against the Dodgers. An initial MRI revealed no structural damage, but when Raley's swelling lingered, he sought a second opinion from Meister. (Last updated: May 15)

INF/OF Jett Williams (right wrist soreness; No. 1 on Mets Top 30 Prospects list)
Toward the end of April, Williams began dealing with a bout of right wrist soreness, which has kept him off the field since April 21 and landed him on the 7-day Minor League IL. To treat it, Williams received a cortisone injection in early May, according to Mets senior vice president of player development Andy Green. Once that heals, he will begin swinging a bat in hopes of returning to games by the end of this month. (Last updated: May 15)

OF Drew Gilbert (right hamstring strain; No. 2 on Mets Top 30 Prospects list)
Gilbert, the top prospect the Mets acquired from the Astros in the Justin Verlander trade last summer, hasn’t played since straining his right hamstring in the second game of an April 6 doubleheader for Triple-A Syracuse. He is on the 7-day Minor League IL, and per Mets senior vice president of player development Andy Green, is still in the “strengthening phase” of his recovery process. His timeline to return will depend in large part upon how well he responds to his running progression, but the Mets are hopeful he’ll be ready toward the end of May or beginning of June. (Last updated: May 15)

C Francisco Alvarez (torn ligament in left thumb)
Expected return: Late June
Alvarez, who tore a ligament in his left thumb in an April 19 game against the Dodgers, underwent surgery to fix it four days later. The Mets expect him to miss approximately eight weeks. They plan to be careful with their starting backstop, given how much stress catching can place on the thumb. For as long as Alvarez is sidelined, Omar Narváez and Tomás Nido will split duties behind the plate. In the first notable update after surgery, Alvarez had his stitches removed on May 6. He has been playing catch and swinging a bat one-handed since then. (Last updated: May 7)

60-DAY INJURED LIST

RHP Kodai Senga (right posterior shoulder capsule strain)
Expected return: Possibly June
Senga, who had advanced to throwing live batting practice in late April before moving backward in his progression, suffered another setback when he cancelled his May 19 bullpen session due to triceps tightness. The Mets don't consider it a major issue, but it's nonetheless another obstacle in Senga's way as he tries to make it back from his original shoulder capsule strain.

According to manager Carlos Mendoza, Senga wants to work his mechanics into top form before continuing to stretch out as a starter, making him unlikely to face hitters before a bullpen session that goes well. Given how much time Senga has taken between mound sessions thus far, his rehab could easily stretch into the second half of June or beyond. Mendoza, however, believes a return in the first half is still possible. (Last updated: May 20)

LHP David Peterson (recovery from left hip surgery)
Expected return: May 29 or shortly thereafter
Peterson underwent surgery Nov. 6 to repair a torn labrum in his left hip, an injury that had been bothering him for years. Peterson, who began throwing bullpen sessions in March, believes he can return from the injured list as soon as he's eligible on May 27. To that end, he began a Minor League rehab assignment for Single-A St. Lucie on April 28 and graduated to the upper Minors on May 14. Peterson is scheduled to throw one final rehab outing on May 24 and should be ready to return after that.

Once healthy, Peterson figures to return to his role as a rotation depth option. The Mets, who intend to use a six-man rotation at various points this season, could incorporate Peterson into that mix. (Last updated: May 20)

INF Ronny Mauricio (recovery from right knee surgery)
Expected return: Possibly September
Mauricio underwent surgery in early January to repair a torn ACL in his right knee, which he injured during winter ball in the Dominican Republic. A typical return timetable for that operation is eight to 12 months, giving Mauricio an outside chance to rejoin the Mets in September. If not, he'll return in 2025.

The club transferred him to the 60-day IL at the start of Spring Training. (Last updated: Feb. 14)

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