At the bottom of this recap of Wednesday's Dodgers-Giants game, we see this ad:
Barry Bonds uses ZMA nightly. ZMA enhances muscle strength, endurance and recovery.
This has to be the worst possible player you can associate with your "muscle enhancement" product. They might as well put this sponsorship in the 2010 Baseball Encyclopedia:
Career Home Run Leaders
1. Barry Bonds 782*
* The Asterisk, brought to you by ZMA, indicates that Bonds was considered a cheater in his time. When you want people to boo you everywhere you go, think ZMA!