No. 5481 yards, Par 4The fifth hole, dubbed “Death Valley” by participants in the 1941 U.S. Open, played a pivotal role Friday in helping or hurting several key players near the top of the leader board. Both Boo Weekley, who entered the hole at 10 under, and first-round leader Ryan Palmer suffered similar fates by making double bogey. Each player’s errant tee shot exemplified just how long and narrow the final hole of the “Horrible Horseshoe” —Nos. 3, 4, and 5 — is. To the right of the fairway is a clump of trees, which ensnared Weekley’s tee shot. On the left is a ditch, where Palmer’s tee shot from 5 ended up, forcing him to take a drop. On the other hand, Friday’s leader, Matt Kuchar, holed a chip-in on No. 5 for birdie to continue climbing the board. Kuchar sunk the pretty 16-foot chip two shots after his tee shot nearly landed in the ditch to the left of the fairway. The birdie moved Kuchar to 8 under, and he would finish the day at 10 under through 15 holes before play was suspended as inclement weather approached.