Red Sox trade: Who are the 2 pitchers Boston acquired for Kiké Hernández?

BOSTON — The Red Sox have acquired pitchers Nick Robertson and Justin Hagenman from the Dodgers in the Kiké Hernández trade. MassLive’s Chris Cotillo was the first to report the return.

The 25-year-old Robertson is a 6-foot-5, 265-pound righty who Baseball America ranks the Dodgers’ No. 25 prospect.He went 2-0 with a 2.54 ERA (28 ⅓ innings, eight earned runs), 0.99 WHIP, 42 strikeouts and nine walks in 27 relief outings for Triple-A Oklahoma City this season. He held opponents to a .184 batting average.

He made his major league debut earlier this season for the Dodgers. In nine outings for Los Angeles, he allowed 10 runs (seven earned runs), 17 hits and four walks while striking out 13 in 10 ⅓ innings.

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Robertson — a 2019 seventh round draft pick out of James Madison — is on the Dodgers’ 40-man roster and so will need to be added to Boston’s 40. He has minor league options remaining and will report to Triple-A Worcester.

The throws a four-seam fastball, changeup and slider. His fastball averaged 94.7 mph in his nine outings for the Dodgers this season, per Baseball Savant. His Baseball America scouting report in July 2021 noted, “He floods the strike zone with mid-90s fastballs, has a slider that handles righties and a changeup that handles lefties. His stuff and aggressive mentality are befitting of a high-leverage reliever.”

According to the scouting reports of another major league team, Robertson “throws a four-seam fastball between 94-97 mph, with low spin. His slider is 85-88 mph, and is thrown with spotty command. The pitch worked better at Double A and Triple A than in the big leagues. He also throws a changeup, which is deemed usable against lefthanded hitters.”

In summary, this organization views him as a “longshot middle reliever.”

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Hagenman, a 6-foot-3, 205-pound righty, has never pitched in the majors. The 26-year-old is 4-0 with a 2.78 ERA and 1.07 WHIP in 25 outings (five starts) for Oklahoma City this season. He has 60 strikeouts and 11 walks in 55 innings while holding opponents to a .230 batting average.

The scouting report here: “Better pitchability and command, with a low ceiling. A strike thrower who projects as a swingman. His fastball is a two-seamer, thrown 92-94 mph, with decent sink. Righthanded hitters will sometimes chase the slider (83-86 mph) and his changeup has shown effective fades against lefties.”

Los Angeles drafted him in the 23rd round in 2018 out of Penn State.

“Both of them are interesting guys,” chief baseball officer Chaim Bloom said. “Robertson is definitely, at this point, the more accomplished one having already made his big league debut. ... You can just look at what he’s accomplished at Triple A. He’s really had a good run at that level. He has yet to prove it up here. But very capable of doing so. Big, tall guy. Power pitcher. Good fastball. His changeup has really come on. It’s become a weapon against both sides. And he has a breaking ball that he uses effectively to righties. Definitely a guy you can envision helping us here in the very near future.

“And Hagenman has come along over the course of time,” Bloom added. “Always a guy who could pitch. Good feel to pitch. Complete repertoire. He’s come into a little more velocity as his career has gone on. He’s been used as a swingman but a guy managers have always been able to count on to come in, throw strikes with a deep repertoire. He’s pitched well at Triple A also.”