In 1991, he and Wayne Gretzky bought a baseball card of
Honus Wagner from the American Tobacco Company 1909 T-206 series; only 50 are known to exist. Gretzky bought McNall out, then sold the card to Wal-Mart and Treat Entertainment in 1995 for $500,000. On 31 August 2007, the "McNall/Gretzky" Wagner was sold for $2.8 million, just over six months after it was bought for $2.35 million.