Ringolsby mentions that the team is looking for another left-handed reliever to compliment Franklin Morales, and Orioles Left-hander Mark Hendrickson is high on their list.
Hendrickson, 35, went 1-4 with a 6.35 ERA as a starter this season, but is 4-0 with a 2.94 ERA as a reliever.
In an effort to further improve their bullpen this trade season, the Rockies have already acquired right-hander Rafael Betancourt from the Indians.
Hendrickson is only owed about $500,000 the rest of the season, so for a team that's not looking to add much payroll, he might be a perfect fit.
It's believed the Rockies were also targeting the Nationals Joe Beimel and the Pirates John Grabow, but it both cases the teams demanded Double-A second baseman Eric Young Jr. The Rockies have no intent on trading Young, so ultimately, they may have to settle for Hendrickson.