David John says the market on field goals could be the key to profits when Baltimore host New England in the NFL.
The Pittsburgh Steelers have placed linebacker LaMarr Woodley on Injured Reserve.
Justin Tucker launched a franchise-record 61-yard field goal to give Baltimore Ravens an 18-16 victory over the Detroit Lions.
A review of Sunday's action in the NFL as Miami Dolphins overcame the New England Patriots 24-20.
Jamaal Charles tied a franchise record with five touchdowns as Kansas City beat the Oakland Raiders 56-31.
The Green Bay Packers rallied brilliantly to beat the Dallas Cowboys 37-36 and keep alive their play-off hopes.
Antonio Brown was the star of the show as the Pittsburgh Steelers beat the Cincinnati Bengals 30-20.
Cam Newton threw for 273 yards and a touchdown as the Carolina Panthers defeated the New York Jets 30-20.
Arizona Cardinals needed overtime to defeat the Tennessee Titans 37-34 and boost their play-off push.
Drew Brees had a day to forget as the St Louis Rams beat the New Orleans Saints 27-16.