Racing PositionsRockies' Oberg has surgery for blood clots1MRockies RHP Oberg out with blood clots in arm9MRockies' Oberg (sore back) to begin season on IL9MRockies' Davis ready to regain closer's role1YRockies, Oberg agree to $13 million, 3-year deal1YRockies' Oberg again treated for blood clot in arm2YRockies, Oberg agree to $1.3M, 1-year contract2YReal or not? The pitchers' duel isn't necessarily a thing of the past3YDavid SchoenfieldRockies call up Pounders, option Oberg to minors3YReal or Not? Bad blood brewing after Wednesday's bevy of brawls3YDavid Schoenfield