50 Cent came in the game and propelled at an extremely accelerated rate. He was so successful at everything he done that he quickly gained the respect of his peers and other industry professionals for his keen sense of business.

The G-Unit leader has a proven track record that includes investing in Vitamin Water, owning his own record label G-Unit Records, and spreading his brand to fitness videos, books and Hollywood movies.

In addition to all those accomplishments, the rapper has recently signed a deal to sell a line of 50 Cent memorabilia. The multi-year deal with Steiner Sports, includes autographed photos, movie-related products and even concert-worn apparel, could be announced any day. The terms of the deal have not been disclosed.

"He's an authentic guy who gets the business portion of his career," said Robert Vazquez, the director of talent procurement at Steiner, who said the company would look to grow the 50 Cent brand by introducing him to new markets.

"We have access to [in-flight magazine] SkyMall, to Neiman-Marcus and to corporate clients that might not be familiar with 50 Cent," said Vazquez, who said the deal was the company's first in the entertainment sector.

Steiner Sports made its mark by selling authenticated sports memorabilia and having the Yankees' Derek Jeter as a client. Jeter's autographed baseballs and game-worn jersey swatches are among the most popular items for Steiner.

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