On Friday afternoon, the Colorado Rockies announced the acquisition of four minor league players:

Rockies announce four Minor League signings: C Wilkin Castillo, OF Leonard Davis, RHP Mike Ekstrom and OF Brandon Roberts.

Castillo, who is 27 years old, had a cup of coffee with the Reds in 2008 and 2009, appearing in a total of 22 games for the big club. He's spent parts of six seasons in AAA, where he has compiled a .249/.284/.363 batting line.

Davis (28), who was originally an eighth round selection of the Montreal Expos, has a .271/.327/.471 batting line in eight minor league seasons. He played at the AA level last season.

Ekstrom (28) has logged 45.3 innings of relief work in his major league career and has a lifetime 5.36 ERA.

Roberts (27) spent last season in AAA with Rochester of the International League. He's hit .294/.360/.374 over seven minor league seasons.

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