The Colorado Rockies enter 2010 with a bullpen that, like the team’s starting rotation, could be the most stable in franchise history. The late-innings trio returns intact while the rest of the bullpen will be comprised of 2009 holdovers, veterans returning from injuries and a pack of young arms trying to find a way to stick in the major leagues.

The Colorado Rockies added Jhoulys Chacin, Matt Belisle, Matt Murton and Mike McCoy to their roster. Adam Eaton was designated for assignment and Chris Nelson placed on the 60-day disabled list to make room for Belisle and McCoy on the 40-man roster.

The Colorado Rockies announced Friday that relief pitcher Ryan Speier has been designated for assignment and Manny Corpas placed on the 15-day disabled list to make room for Jhoulys Chacin and Rafael Betancourt on the roster.

Top pitching prospect Jhouyls Chacin a candidate to fill opening in bullpen.

The Rockies got off to a good start after the break behind an offensive outburst and a solid start from Aaron Cook.

Corpas has given Rockies hope he might avoid surgery.

Aaron Cook won his 58th career game, claiming a piece of Rockies history while his team shrugged off a disappointing series-opener against the Rays.

Seattle commits three errors in Rockies decisive two-run eighth.

Hurdle is scapegoat for players who became focused on their stats, not team results

Clint Hurdle, 51, who was told of his dismissal Friday morning in a meeting with general manager Dan O’Dowd, was hired to manage the Rockies on April 26, 2002, replacing Buddy Bell. Bench coach Jim Tracy, who has ample experience managing in the majors, will replace Hurdle on an interim basis.

The Rockies bullpen blew a three-run lead in disastrous fashion, allowing 10 runs in the seventh inning when the first 11 batters reached base before an out was recorded.

Jason Hammel, coming off a brilliant start against the San Francisco Giants on Sunday, fell apart in the fifth inning to the Marlins to suffer his first loss of the season.