Jorge Mario Alfaro Buelvas (born June 11, 1993) is a Colombian professional baseball catcher in the Milwaukee Brewers organization.

He has previously played in Major League Baseball (MLB) for the Philadelphia Phillies, Miami Marlins, San Diego Padres, Colorado Rockies, and Boston Red Sox.

Alfaro signed with the Texas Rangers as a free agent in 2010, was traded to the Phillies in 2015, and made his MLB debut in 2016.

Alfaro's younger brother Jhoandro is a catcher who played in the Chicago White Sox organization.

[1][2][3] Alfaro played baseball and soccer at Instituto Técnico Industrial Antonio Prieto, graduating in 2009.

[7] In 2011, playing for the Low–A Spokane Indians in the Northwest League, Alfaro batted .300/.345/.481 (9th in the league) with six home runs, 23 RBIs, and seven hit by pitch (6th) in 160 at bats, as on defense he allowed 12 passed balls and made 10 errors in 36 games at catcher.

[3] For the season, he batted .261/.318/.440 with five triples (10th in the league), 13 home runs (6th), 73 RBIs (3rd), and 12 hit by pitch (4th), as on defense he allowed 18 passed balls and made 13 errors at catcher in 75 games.

[20] He had the highest batting average on balls in play of all major league hitters with 100 or more at bats, at .420, swung at the highest percentage of balls outside the strike zone of all NL batters, at 46.2%, and swung and missed at an MLB-leading 21.7% of the pitches he saw.

[25] On the other hand, he struck out 36.6% of the time, the highest rate in the National League and third-highest among all players in MLB with 300 or more plate appearances.

[26][27] He swung and missed at an MLB-leading 23.8% of the pitches he saw (the next-highest rate was Avisail Garcia's 19.0%), and swung at the highest percentage of balls outside the strike zone of all NL batters, at 46.9% (while having the lowest contact percentage with pitches outside the strike zone of all NL batters, at 42.9%).

[33] On February 7, 2019, Alfaro was traded with Sixto Sánchez, Will Stewart, and $250,000 in international bonus slot money to the Miami Marlins in exchange for J. T.

[43] On January 26, 2023, Alfaro signed a minor-league contract with the Boston Red Sox and was named a non-roster invitee to spring training.

[44][45] Alfaro played in 43 games for the Triple-A Worcester Red Sox, hitting .320/.367/.520 with 6 home runs, 30 RBI, and 4 stolen bases.

On June 1, Alfaro exercised the opt-out clause in his contract, giving the Red Sox 48 hours to add him to their 40-man roster or grant him his release.

[51] On July 6, 2023, after many injuries at the catching position, the Boston Red Sox brought back Alfaro on a major-league contract.

[54] On August 15, 2023, Alfaro signed a minor league contract to return to the Miami Marlins organization.