Rusney Castillo

Boston Red Sox's Rusney Castillo sports a golden toned hair style as he runs through conditioning drills during spring training 2015 in Fort Myers on Feb. 25, 2015. (AP Photo/Tony Gutierrez)

(Tony Gutierrez)

Boston Red Sox outfielder Rusney Castillo -- who has been playing for Criollos de Caguas in Puerto Rico -- has gone 8-for-20 with a double, walk and RBI in his past four games.

Here is Castillo's game log with Criollos de Caguas:

Jan. 4: 1 for 4, one triple, two RBIs, one strikeout.

Jan. 7: 0 for 3, three strikeouts.

Jan. 8: 0 for 4, one strikeout.

Jan. 9: 0 for 5, two strikeouts.

Jan. 13: 5 for 8, one double.

Jan. 14: 2 for 4, one run.

Jan. 15: 0 for 4.

Jan. 17: 1 for 4, one walk, one RBI, three strikeouts.

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The 28-year-old Cuban defector, who is expected to start in left field for Boston in 2016, has appeared in just 90 major league games since signing in August 2014 (10 games in 2014, 80 games during 2015), batting .262 with a .302 on-base percentage, .379 slugging percentage and .680 OPS.