Halftime thoughts from Dallas-Detroit

DETROIT -- Three thoughts from the first half of the Dallas Cowboys at Detroit Lions game, where the Cowboys lead 10-7:

Johnson on fire again: Calvin Johnson is perfectly, perfectly fine. He’s followed up a 155-yard game a week ago against Cincinnati with a phenomenal half on Sunday against Dallas. He has six catches for 156 yards and a touchdown in the first 30 minutes, outgaining Dallas all by himself. Dallas is putting Brandon Carr on Johnson and it is not working. Something to pay attention to in the second half.

Playing Fairley well: There are games every so often where Nick Fairley shows exactly why he was a first round draft pick in 2011. He -- and the rest of Detroit’s defensive line -- harangued Tony Romo for the majority of the first half, chasing him outside of the pocket. Fairley also clocked Romo twice on third downs, forcing incomplete passes.

Another bad swing: Last week it was a blocked field goal that led to a Cincinnati touchdown late in the first half. This time, it was a Matthew Stafford interception that was almost returned for a touchdown by Sean Lee. He was stopped at the 4-yard line, but the Cowboys ended up scoring on third down with a one-handed touchdown catch by Dez Bryant over Darius Slay. Good coverage by Slay, better catch by Bryant.