Quentin Jammer, the veteran leader of the Chargers’ secondary, has quietly become one of the NFL’s top shutdown cornerbacks. While his play doesn’t always make the highlight reels, Jammer is as solid as they come and week-in and week-out he is called upon to go toe-to-toe with the NFL’s best receivers. TRANSACTION HISTORY: First-round draft pick (5) by San Diego, April 20, 2002 signed six-year contract with Chargers Sept. 10, 2002.