Lap 38 -- Sterling Marlin takes his car to the garage.
Lap 39 -- Greg Biffle down to 14th.
Lap 40 -- Tony Stewart not gaining on the track like he did at the beginning -- he's stuck in 32nd position.
Lap 41 -- Denny Hamlin has opened up a 1.9 second lead on Jimmie Johnson.
Denny Hamlin came out of the competition yellow in the lead.
A 2-time winner at Pocono, Hamlin is searching for his 1`st victory of the season.
Lap 45 -- Chase bubble notables:
Clint Bowyer is 15th, David Reutimann is 16th and Matt Kenseth is 17th.
Lap 46 -- Marcos Ambrose and Jeff Burton get together as Ambrose tries to pass the No. 31. Ambrose up to 24th.
Lap 47 -- Patrick Carpentier back to the garage.
Lap 48 -- Clint Bowyer passes Dale Earnhardt Jr. for 14th.
Tony Stewart falls to 33rd after Bobby Labonte passes him.
Lap 50 -- Dale Earnhardt Jr. continues to fall on the track as he drops to 17th.
Lap 51 -- Dale Earnhardt Jr. loses two more spots as his car continues to get worse.
Lap 52 -- Clint Bowyer, Kevin Harvick and Dale Earnhardt Jr. hit pit road beginning green-flag stops.
Lap 53 -- YELLOW FLAG NO. 2:
Paul Menard loses a right-rear tire bringing out the caution.