 Complete the following phrase:  Weir won the Junior Eastern Sectionals in 1999 and 2000. The following season 20002001, Weir competed as a senior for the first time, coming in sixth place at the U.S. Nationals despite a bad hip flexor injury, and winning the Eastern Sectionals as a senior. He was the third alternate at the 2000 Junior Grand Prix final, coming in sixth and second place at his two Junior Grand Prix assignments, but won, at the age of 16, the gold medal at the World Junior Championships. He was the tenth American to win at Junior Worlds and the first American male skater since Derrick Delmore won in 