I'm including both my favorite teams and my most hated!
Favorites
College: Texas
NFL: Dallas Cowboys
NBA: San Antonio Spurs
MLB: New York Yankees
NHL: N/A (I only watch games to see fights)
Most Hated
College: Texas A&M, Baylor, Texas Tech, TCU, SMU, Oklahoma, Oklahoma State, Miami (FL), the entire SEC, Nebraska, Ohio State, USC, Tennessee
NFL: Philadelphia Eagles, Washington Redskins, New York Giants, New England Patriots, San Francisco 49ers, Pittsburgh Steelers, Green Bay Packers, Minnesota Vikings, Indianapolis Colts, Houston Texans
NBA: Los Angeles Lakers, Dallas Mavericks, Phoenix Suns, Houston Rockets, Utah Jazz, Minnesota Timberwolves, Miami Heat
MLB: Boston Red Sox, the entire National League, Los Angeles Angels of Anaheim, Toronto Blue Jays, Tampa Bay Rays, Baltimore Orioles, Minnesota Twins, Chicago White Sox, Texas Rangers
NHL: N/A (only watch for fights)
Soccer: The entire sport