Hill has recorded a 3.87 ERA across 95 1/3 innings thus far in 2021, but has sputtered in his last seven starts. He has surrendered 20 runs on 34 hits and 16 walks in 33 1/3 frames.
The Mets' No 2. pitching prospect, according to MLB Pipeline, went 2-1 with a 2.56 ERA with St. Lucie.
Hernandez won 11 straight Golden Glove Awards.
Beggs, 28, posted a 1-0 record and a 4.15 ERA with 20 strikeouts in 26.0 innings of work in five games, all of which were starts, with Lexington.
The 2018 8th-round pick of the New York Mets sports a 9-10 record in the minors to go along with a 3.41 ERA.
Worley will report Triple-A Syracuse.
Alvarez is also The No. 38 overall prospect in the minors.
The 32-year-old hit .270 with four home runs and 16 RBI with the Ducks in 2019.
While with the Mets, the Bronx-born Rivera posted a .304 batting average, eight homers, 43 RBI, 37 runs, 17 doubles, two triples, and a .335 on-base percentage. He also laced a double during the Wild Card playoff game against the San Francisco Giants.
Pugh, a 15thround draft pick of the Mets in 2010, spent three seasons in their system and hit six home runs, 29 RBI, and swiped 27 bases in 118 games during that span.