NFL week one – in pictures

Enter the Cleveland Browns players, as they ready themselves for the Miami Dolphins Photograph: Aaron Josefczyk/REUTERS

Detroit Lions running back Joique Bell jumps in the stands to celebrate with fans after scoring a touchdown against the Minnesota Vikings Photograph: Rebecca Cook/REUTERS

Detroit Lions wide receiver Calvin Johnson makes a catch, avoiding the tackle from Minnesota Vikings' Harrison Smith Photograph: Paul Sancya/AP

Greg Hardy of the Carolina Panthers soaks up the atmosphere of the opening weekend Photograph: Grant Halverson/Getty Images

A general view of the Seattle Seahawks against the Carolina Panthers Photograph: Streeter Lecka/Getty Images

New England Patriots quarterback Tom Brady barks out instructions to his linemen during the third quarter Photograph: Donald Heupel/REUTERS

Buffalo Bills head coach Doug Marrone ponders his team's next play Photograph: Donald Heupel/Reuters

A worker deflates a Chicago Bears inflatable mascot before their match against the Cincinnati Bengals Photograph: Jim Young/REUTERS

The Bears went on to beat the Bengals 24-21, much to the delight of Brandon Marshall Photograph: Jonathan Daniel/Getty Images

It wasn't all plain sailing for the Bears, with their quarterback, Jay Cutler, taking a big hit from Carlos Dunlap Photograph: Jonathan Daniel/Getty Images

Oakland Raiders wide receiver Rod Streater takes the high road over Indianapolis Colts' LaRon Landry Photograph: Doug McSchooler/AP

Jacksonville Jaguars tackle Eugene Monroe grabs Kansas City Chiefs outside linebacker Tamba Hali around the neck Photograph: Gray Quetti/ Gray Quetti/ZUMA Press/Corbis

New Orleans Saints fans were in great spirits before their opening match against the Atlanta Falcons Photograph: Sean Gardner/REUTERS

Saints' quarterback Drew Brees readies his arm Photograph: Chris Graythen/Getty Images

Doug Martin of the Tampa Bay Buccaneers is upended by Dawan Landry of the New York Jets Photograph: Rich Schultz/Getty Images

Pittsburgh Steelers quarterback Ben Roethlisberger contemplates his five sackings in their 16-9 loss to the Tennessee Titans Photograph: Jason Pohuski/ Jason Pohuski/ZUMA Press/Corbis

Following his late hit on San Francisco 49ers quarterback Colin Kaepernick, Green Bay Packers' Clay Matthews is confronted by the considerable frame of Joe Staley Photograph: Thearon W. Henderson/Getty Images

Kaepernick's career-high passing helps San Francisco to a 34-28 win. Tight end Vernon Davis, right, scored a 20-yard touchdown during the first quarter to get the 49ers on their way. Photograph: Stephen Lam/REUTERS

Running back Eddie Lacy leaps over NaVorro Bowman of the 49ers in the fourth quarter at Candlestick Park Photograph: Jeff Gross/Getty Images

49ers' head coach Jim Harbaugh yells at line judge Mark Perlman after quarterback Kaepernick was tackled by Green Bay Packers outside linebacker Clay Matthews in San Francisco Photograph: Marcio Jose Sanchez/AP

Larry Fitzgerald of the Arizona Cardinals catches a touchdown pass against Cortland Finnegan of the St. Louis Rams at the Edward Jones Dome in St. Louis, Missouri Photograph: Dilip Vishwanat/Getty Images

The US national anthem is sung - a stirring pre-match ritual Photograph: Tony Gutierrez/AP

New York Giants wide receiver Victor Cruz stretches for a touchdown as Dallas Cowboys safety Will Allen is unable to prevent the score losing his helmet in the process. Photograph: Mike Stone/REUTERS

Cowboys cheerleaders play to the crowd during the first half of Dallas' game Photograph: Larry W. Smith/EPA

Dallas Cowboys running back DeMarco Murray tries to keep away New York Giants middle linebacker Mark Herzlich in Arlington, Texas Photograph: Jose Yau/AP