 On September 21 , 1970 , Wilhelm was selected off waivers by the Chicago Cubs , for whom he appeared in three games . He was traded back by the Cubs to the Braves for Hal <unk> after the season . As the Cubs acquired Wilhelm late in the season to bolster their playoff contention , which was a source of controversy , Commissioner Bowie <unk> investigated the transaction . In December , <unk> ruled that he did not find evidence of <unk> associated with the transactions that sent Wilhelm to the Cubs and quickly back to the Braves . 
