Walker and Barlow missed jumpers on the next trip down the floor.
Shimer and Walker missed a medal by only a third of a second.
Walker, though, missed all of preseason play in a contract dispute.
Walker missed his last 10 shots, including all five in the fourth quarter.
Walker missed two free throws with 1:58 left that would have snapped an 88-88 tie.
Walker only missed 2 games during his first full season, scoring 12 goals in 38 games, a decent return for an inside forward.
Walker and Williams have missed a significant number of games in recent seasons because of injuries.
Walker, a 6-foot-9-inch forward who has been ailing from a pulled muscle in his back and groin, must miss at least five games.
Walker (strained right knee) will miss at least three more games.
Tusa said that without any prodding or supervision, Walker did not miss a day.