Preparations for the Formula One season start in Jerez on Sunday with the first of three four-day testing sessions and with Mercedes looking to lay down an early marker for continued dominance. Mercedes, who will also use the Spanish track to launch their 2015 car on Sunday, cruised to the constructors' championship last season, whilst Lewis Hamilton edged out teammate Nico Rosberg for the drivers' title. A series of technical changes at the start of 2014 gave Mercedes a huge jump on their title rivals. Despite their success, Hamilton and Rosberg endured a frosty relationship last season with Mercedes team chief Toto Wolff at one point describing their battle as "two enemies competing for the world title".
Sunday's Super Bowl 49 caps a National Football League season marred by scandal with a compelling clash between Seattle and New England that promises to clear away the clouds. Each team can cement a place in Super Bowl lore with a victory. Fans partied Saturday night around Phoenix and at the NFL Experience gridiron theme park near the University of Phoenix Stadium in suburban Glendale, Arizona where the game was scheduled to kick off at 4:30 pm (23:30 GMT). "Everything is done," Seahawks coach Pete Carroll said.