But with available innings becoming more scarce as the regular season quickly approaches, the Braves have sent each of the promising young hurlers back to Minor League camp.
After Teheran closed out Thursday's 2-1 win over the Cardinals with a scoreless ninth at Champion Stadium, the Braves announced that he, Vizcaino and Oberholtzer had all been reassigned to Minor League camp. Already on the 40-man roster, Delgado was optioned to Double-A Mississippi.
2010 Spring Training - null
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Spring Training Info
Right-hander Erik Cordier and left-handed pitchers Lee Hyde and Jose Ortegano were optioned to Triple-A Gwinnett.
Others resassigned to Minor League camp were right-handers Michael Broadway and Jay Sborz, catchers Christian Bethancourt, Braeden Schlehuber and Jesus Sucre, infielder Tyler Pastornicky and outfielder Mycal Jones.
Teheran, ranked as MLB.com's 10th-best prospect, tossed a pair of scoreless innings in the two appearances he made during the exhibition season. The 20-year-old right-hander impressed with his command in bullpen sessions and a live fastball that registered 97 mph on the scoreboard during Thursday's game.
Vizcaino, who didn't allow a run in five innings, produced a 101-mph fastball in Wednesday's game against the Cards. Multiple evaluators have projected the 20-year-old hurler will be a closer in the Majors. But he'll likely begin this season as a starter for either Class A Advanced Myrtle Beach or the Mississippi club.
Teheran, Delgado and Vizcaino have been regarded a special trio of pitching prospects. While showing good command and a repeatable delivery throughout camp, Oberholtzer led some in Atlanta's organization to believe he belongs in the same category as that trio.
Oberholtzer, Teheran and Delgado could all begin this season in Mississippi's rotation.