Dana Stubblefield

Retired professional football defensive tackle Dana Stubblefield played 11 seasons in the National Football League, from 1993 to 2003. Since retiring from the NFL, Stubblefield has served as a defensive line coach for Valley Christian High School in San Jose, California.

Stubblefield pleaded guilty on 2008 to a charge that he lied to federal agents over the use of performance-enhancing drugs as part of the investigation into BALCO. After cooperating with prosecutors, he was sentenced to two years of probation for the charge on February 6, 2009.ESPN.com: Stubblefield Cooperating in Feds' Probe

In 2003, Stubblefield was suspended for testing positive for The Clear, the anabolic steroid, Tetrahydrogestrinone. As part of the investigation into BALCO, a substance testing laboratory, Stubblefield denied that he ever used performance enhancing substances or received any substances from BALCO. He later changed his story, pleading guilty to lying to federal officials in January of 2008.ESPN.com: Former NFL lineman pleads guilty to lying to feds

• 1993-1997: San Francisco 49ers
• 1993: Defensive Rookie of the Year
• 1994-1995, 1997: Pro Bowl
• 1994-1997: All-Pro
• 1997: Defensive Player of the Year
• 1998-2000: Washington Redskins
• 2001-2002: San Francisco 49ers
• 2003: Oakland Raiders
• 2004: New England Patriots