Sterling Heights, Mich. ? Lawrence’s Bob Glass leapfrogged into eighth place Wednesday after the third round of the Senior U.S. Open at Sunnybrook Lanes.

Glass scored an 18-game pinfall total of 3,731 to advance to today’s nine-game qualifying set. The top 57 bowlers Thursday qualified to move on.

The top 24 bowlers after today’s competition advance to Friday’s stepladder finals.