Both pitchers are main components of the San Antonio Missions' rotation. The Missions won the Texas League West Division first-half title with a 47-22 record – 9.5 games in front of second place Frisco.
Nageotte, 22, led the minors in 2002 with 214 strikeouts, and he already has 75 in 76 innings this season to go with a 7-2 record.
Blackley has held his Texas League opponents to a .195 batting average, while leading the Missions with nine victories.
Blackley, 20, joins former World team member Craig Anderson (2000) as left-handed Australians selected from the Mariners' system to take part in the Futures Game. Anderson is currently in Triple-A with the Tacoma Rainiers.
Missions coaches Dave Brundage and Rafael Chaves will also participate in the Futures Game, coaching the World team.
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