Valencia, 27, is hitting .198 with 2 home runs and 17 RBI, but has hit safely in five of his last seven games since being re-called. Valencia has also played in 69 games for Triple-A Rochester this season, batting .250 with 17 doubles, seven home runs and 37 RBI. The former 19th round pick found success in his rookie season back in 2010 where he hit .311 with seven home runs, finishing third for rookie of the year. Last season Valencia in his only full season of the majors hit .246 with 15 home runs and 72 RBI.
On the flip-side, the Twins receive Pineda, 21, who has gone 56-for-133 (.421) with nine doubles, three triples, 22 RBI and 14 stolen bases in 36 games this season for the Rookie-level Gulf Coast League Red Sox. The switch-hitter is leading the GCL in batting average. Over two seasons in the Red Sox organization, Pineda has hit .321 (75-for-234) with a home run, 32 RBI and 20 stolen bases over 70 games between the Domican Summer League Red Sox and the GCL.
Valencia will be assigned to Triple-A Pawtucket.