Isaac Coffey, who the Red Sox promoted to Double-A Portland last month, struck out 10 in 5 scoreless innings in a 4-0 victory over New Hampshire on Wednesday.
Coffey, a sidearmer who MassLive profiled in May, allowed four hits and one walk. The 23-year-old is 4-0 with a 3.09 ERA (23 ⅓ innings, eight earned runs), 1.33 WHIP, 33 strikeouts and 10 walks in five starts for Portland. Opponents are batting .236 against him.
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He went 4-2 with a 2.83 ERA in 11 starts for High-A Greenville to begin the season. He struck out 83 and walked 10 in 60 ⅓ innings. Opponents batted .223 against him.
He signed for only $7,500 after the Red Sox drafted him in the 10th round out of Oral Roberts last June.
He throws a four-seam fastball, changeup, slider and cutter. His fastball is in the upper-80s and low-90s.
Other strong Red Sox minor league performances from Wednesday:
~ John Schreiber appeared in a rehab game for Portland. He pitched a perfect inning and recorded one strikeout. He likely will pitch again for the Sea Dogs on Thursday as the Red Sox want him to pitch on back-to-back days before activating him. Schreiber (right teres major strain) is on the 60-day IL retroactive to May 16.
~ Shortstop Marcelo Mayer, outfielder Corey Rosier and catcher Nathan Hickey each had two hits for Portland.
The 23-year-old Rosier, who was acquired in the Eric Hosmer trade at last year’s deadline, is slashing .313/.366/.493/.859 with 30 steals and 25 extra-base hits in 64 games for Portland. MassLive profiled him in April.
Hickey, a 23-year-old who Boston drafted in the fifth round in 2021, has a .279/.363/.524/.887 line with 10 homers and six doubles in 41 games since the Red Sox promoted him to Portland.
~ Bradley Blalock, a 22-year-old right-handed pitching prospect who returned in May after undergoing Tommy John surgery March 2, 2022, allowed two runs in 5 ⅓ innings for Greenville in a 7-2 win over Asheville. He gave up five hits and one walk while striking out four.
Blalock has a 2.51 ERA in nine starts between Low-A Salem and Greenville combined. He has a 3.24 ERA in his five starts since his promotion to Greenville. He has been up to 99 mph with his fastball this season. Blalock added a split-change in the offseason, the type Kevin Gausman throws.
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~ Alexis Hernandez, a 20-year-old outfielder/first baseman the Red Sox signed out of Venezuela in 2019, went 2-for-4 with a solo homer, two RBIs, one walk and two strikeouts in Low-A Salem’s 6-4 win over Down East. He’s slashing .279/.405/.426/.831 with two homers, four doubles, 12 RBIs, 15 walks, 13 strikeouts and five steals in 21 games for Salem.
~ Ceddanne Rafaela went 3-for-5 with a double and four RBIs for Triple-A Worcester. He’s slashing .294/.342/.574/.916 with five homers, four doubles, 11 runs, 14 RBIs, one walk and 18 strikeouts in 165 games since being promoted to Worcester.
~ Stephen Scott and Ronaldo Hernández each had two hits for Worcester. Meanwhile, Bobby Dalbec helped turn a double play in the WooSox’s 11-5 win over Scranton/Wilkes Barre.
