Braves right field prospect Jason Heyward (#2 Braves prospect, Baseball America) got inconclusive results from an MRI on Friday and he will undergo further tests of his right shoulder and right knee. Heyward hasn't played since June 5.
Right-hander Clayton Mortensen became the first 2007 draftee to reach Triple-A when he was promoted to the Cardinals affiliate in Memphis. (N.B., 2007 draftee Ross Detwiler pitched out of the bullpen for Nationals late last year.) In May, the Cardinals eight-ranked prospect (BA) had a 1.64 WHIP and 1.42 HR/9 in 31.7 innings with Double-A Springfield of the Texas League.
Tigers left field prospect Wilkin Ramirez (#14 Detroit prospect, BA) was promoted to the Triple-A Toledo Mudhens following an organizational shuffle that began with an injury to Ramon Santiago. Ramirez had an impressive .291 EqA with Double-A Erie of the Eastern League, but he also lead the league with 70 strikeouts (31.5% K/PA).
New Britain Rock Cats utility infielder/outfielder Luke Hughes will be out until at least June 20 with a groin strain. Hughes wasn’t on the Twins’ prospect radar coming into the season, but the 23-year-old has attracted attention with a .333 EqA (second in the Eastern League) and a Bondsish 6% HR/PA (215 PA).