12:27pm: The Rockies announced the changes, naming Geivett the senior VP of Major League operations (Twitter links). O'Dowd retains the title of executive VP/general manager and will still be the team's chief baseball executive.
12:00pm: The Rockies are expected to announce a restructuring of the front office today, reports Troy Renck of The Denver Post. Dan O'Dowd will remain the GM but will focus on the minor leagues and player development while assistant GM Bill Geivett receives expanded day-to-day duties with the big league roster.
O'Dowd willl receive assistance from Geivett on the MLB side, according to Renck. Geivett, the Rockies' assistant GM since 2000, will work closely with manager Jim Tracy and continue answering to O’Dowd. For more on Geivett, check out Tim Dierkes’ piece from MLBTR’s 2011 series on potential GM Candidates around MLB.