On November 24 , 1997 Â â The last parcels of land for a new downtown ballpark near the old Union Station terminal are acquired by the H.S.A. The largest sale is from a man named Billy Marlin. Hellmuth, Obata and Kassabaum (HOK) are already on board with a stadium design and Brown and Root will serve as project managers for stadium construction. In other news, the Astros sign outfielder Dave Clark to a free agent contract. Clark bats .206 in 93 games during one disappointing season in Houston.
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