Robert Karlsson followed his opening 64 at the HP Byron Nelson Championship with an 8-over-par 41-37=78 to reach the midpoint in 2-over 142, two strokes too high to play the weekend.
Brian Stuard reached the midpoint of the HP Byron Nelson Championship in even-par 71-69=140 to survive the cut on the number.
Franklin Corpening spun a 6-under-par 31-35=66 in the second round of the BMW Championship to take sole possession of the lead at 15-under 128.
Harris English chased his opening 64 at the HP Byron Nelson Championship with an even-par 35-35=70 in his second round.
Kevin Sutherland shot 2-over-par 69-73=142 at the HP Byron Nelson Championship, missing the cut by two strokes.
Gary Woodland carded a 5-under-par 32-33=65 in his second round of the HP Byron Nelson Championship to hit the halfway point in 6-under 134, five strokes off the 36-hole lead.
Scott Piercy followed his opening 66 at the HP Byron Nelson Championship with a 2-under-par 33-35=68 in the second round to reach the halfway point in 6-under 134, five strokes adrift of the 36-hole lead.
Scott Verplank reached the midpoint of the HP Byron Nelson Championship in 3-over-par 75-68=143 and will miss the cut.
Steve Flesch spun a 4-under-par 33-33=66 in his second round of the HP Byron Nelson Championship, but will miss the cut.
Ted Potter, Jr. settled for an even-par 33-37=70 in his second round of the HP Byron Nelson Championship to reach the halfway point in 6-under 134, five strokes off the 36-hole lead.
Ángel Cabrera backed up his opening 65 at the HP Byron Nelson Championship with a 1-under-par 32-37=69 in his second round.
Overnight leader Keegan Bradley answered his opening 60 at the HP Byron Nelson Championship with a 1-under-par 35-34=69 in his second round to post the 36-hole clubhouse lead at 11-under 129.
Charl Schwartzel followed his opening 63 at the HP Byron Nelson Championship with an even-par 34-36=70 in his second round to reach the midpoint in 7-under 133, four strokes adrift of the 36-hole clubhouse lead.
Graham DeLaet posted a 3-under-par 34-33=67 in his second round of the HP Byron Nelson Championship.
Ryan Palmer chased his opening 65 at the HP Byron Nelson Championship with a 2-under-par 34-34=68 to reach the midpoint in 7-under 133, one stroke off the pace of the 36-hole clubhouse co-leaders.