Boston Red Sox players hold their hats to their hearts...

Boston Red Sox players hold their hats to their hearts for the national anthem before a spring training baseball game against the Minnesota Twins in Fort Myers, Fla., Wednesday, Feb. 25, 2026. Credit: AP/Gerald Herbert

FORT MYERS, Fla. — Red Sox minor league left-hander Erik Rivera pitched in his Boston uniform Tuesday night for Puerto Rico against his major league team in a preseason exhibition.

The Red Sox made some players available to Puerto Rico because that team was short on personnel. One those included Rivera, a Puerto Rico native.

Rivera entered with two outs in the sixth inning and didn't record an out. He faced three batters, walking two and allowing a hit before being removed in Puerto Rico's 5-3 victory.

That was one of several games between major league clubs and teams from different countries as players prepare for the World Baseball Classic that begins Thursday.

The 24-year-old Rivera spent last season playing for the Red Sox's High-A affiliate in Greenville, South Carolina.

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