Red Sox outfield prospect Armando Sierra could prove to be underrated member of team’s 2021 international signing class

The Red Sox made a splash in the international free-agent market this winter by signing Dominican outfield prospect Miguel Bleis for $1.5 million back in January.

Appearing on the SoxProspects.com podcast with Chris Hatfield and Ian Cundall in February, Red Sox executive vice president and assistant general manager Eddie Romero described Bleis as a “premium centerfield talent” who has “got all five tools” in addition to “surprising power” and “an absolute hose of an arm.”

While Bleis has stolen the headlines and has already shot up the prospect charts (Boston’s No. 22 prospect according to Baseball America), there is another 17-year-old outfielder the Sox signed out of the Dominican who deserves some attention as well.

That outfield prospect’s name? Armando Sierra, who hails from the same city as fellow outfielder Gilberto Jimenez and right-hander Denyi Reyes (San Cristobal).

In his review of what the Red Sox have done thus far during the 2021 international signing period, Baseball America’s Ben Badler identified Sierra as his ‘sleeper [to] watch.’

“Armando Sierra is a corner outfielder from the Dominican Republic with a chance to hit and hit for power,” Badler wrote of the right-handed hitter last week. “He’s a physically imposing 6-foot-3, 210 pounds with an advanced approach to hitting for his age, keeping the bat head in the hitting zone for a long time that helps him drive the ball with power to all fields. He’s a limited runner whose offensive game will drive his value.” 

Sierra, who signed with the Sox for a bonus of $150,000 on January 15, does not turn 18 until next January.

“Armando was a player we scouted later on in his signing year. After scouting him a few times, he stood out for his strong frame and his power,” Romero recently told BloggingtheRedSox.com via email. “As we continued to see him, it became apparent that not only did he have above average power for his signing class, but he also was developing a stronger approach.

“Since his signing, Sierra has lost close to 20 pounds while gaining muscle working out at our academy,” added Romero. “He continues to improve defensively and is also featuring an above average arm (which was not the case during his scouting trials).”

The young outfielder will likely begin the 2021 minor-league season with one of the Red Sox’ rookie-level, Dominican Summer League teams. In fact, as Romero indicated, he’s already training at the team’s Dominican academy in El Toro, a town just outside of Santo Domingo.

Other recent Red Sox international signees highlighted by Badler include catcher Enderso Lira, right-handers Alvaro Mejias and Jedixson Paez, and shortstops Luis Ravelo and Ahbram Liendo.

(Picture of Chaim Bloom: Billie Weiss/Boston Red Sox/Getty Images)

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Red Sox have an ‘extremely exciting’ prospect in Dominican outfielder Miguel Bleis, Eddie Romero says

Last month, the Red Sox made some headlines by giving Dominican outfield prospect Miguel Bleis a signing bonus of $1.8 million, making him the highest-paid player in their 2021 international signing class thus far.

Bleis, who turns 17 in early March, was regarded by Baseball America as the 20th-ranked international prospect headed into the international signing period, which began on January 15.

Per his Baseball America scouting report, the right-handed hitting, right-handed throwing center fielder “is one of the top athletes in the 2020-21 international class.

“He has a sleek, athletic frame with high physical upside. He glides around center field with an easy gait and long strides, with average speed that might tick up as he gets stronger along with a strong arm. He has a quick bat with gap power and a chance to turn more of his doubles into home runs once he gets stronger.”

Currently listed at 6-foot-2 and and 170 lbs., Bleis had been training in the Mejia Top 10 Program in his home country, but he is currently at the Red Sox’ Dominican Academy in El Toro, a town just outside of Santo Domingo.

On Monday’s installment of the SoxProspects.com podcast with Chris Hatfield and Ian Cundall, Red Sox executive vice president and assistant general manager Eddie Romero spoke at length about what Bleis brings to the table.

“He’s a premium center field talent,” Romero said of one of Boston’s newest prospects. “He’s got all five tools. He runs well. He’s got an absolute hose of an arm at an early age with really good mechanics and accuracy. So we think that he can stay in the middle of the field.

“He’s got surprising power,” Romero added. “Being so young and being able to have above-average raw power is something we don’t see often for a center field player given his body type and athleticism. So, really, what we need to hone in on with him is approach. He performed well offensively in competition for us, and he’s continued to do that in the academy.”

Bleis hails from San Pedro de Marocis, a city on the Dominican’s southeastern coast that has produced the likes of Sammy Sosa, Robinson Cano, Alfonso Soriano, Fernando Tatis, and Fernando Tatis Jr., among others.

“He’s a high-character kid that is all about baseball and he’s from San Pedro,” said Romero in regards to Bleis’ roots. “They put something in the water there to create baseball players. So we hope that he can continue the lineage of talent coming out of that area. He’s extremely exciting.”

Since he is still just 16 years old, Bleis is still obviously a long ways away from cracking a major-league roster as there is plenty of room for him to develop in a variety of areas over the next several years.

The young outfielder will likely begin the 2021 minor-league season with one of the Red Sox’ rookie-level, Dominican Summer League teams. That is, if there is a DSL season this year in the midst of the ongoing COVID-19 pandemic.

“We’re actively discussing that with MLB right now,” Romero said when asked if there would be a DSL season in 2021. “Everybody hopes that there is. It’s just pandemic-affected. We’re still working on the best way to organize that: What the structure would be, how the testing would go. And so we really want to have another platform for these guys to develop after so many of them missed the entire season last year.”

One last note on Bleis for those who enjoy prospect lists: FanGraphs’ Eric Longenhagen has him ranked as Boston’s No. 32 prospect going into the 2021 campaign.

Using the 20-80 scouting scale, Longenhagen grades Bleis’ current tools as follows: 20 Speed, 45 Raw Power, 20 Game Power, 50 Run, 40 Fielding, 55 Throw.

“Bleis is a righty corner outfield power projection prospect with a whippy, low-ball swing and room for about 30 pounds on his frame,” Longenhagen wrote of the speedy outfielder.

(Picture of Eddie Romero: Billie Weiss/Boston Red Sox/Getty Images)