tomato can

noun3

1. •
   (slang, disapproving) An inferior fighter in the sport of boxing. The insinuation is that an up-and-coming fighter takes on a "tomato can" to burnish his reputation and record.
2. •
   (slang) By extension, an opponent who presents little challenge.
3. •
   (slang) A boxer who takes a dive, or loses a fight on purpose.