Like his father, Avery Blake, Jr. completed most of his lacrosse accomplishments in Swarthmore, Pennsylvania where he attended Swarthmore High School and Swarthmore College. In high school, he won four varsity letters in lacrosse.

Blake brought four years of winning teams to Swarthmore College from 1950-1953 when he led the small liberal arts school to four consecutive Pennsylvania-Delaware League Championships.

While earning . . .

At Washington College, Seivold attained All-American Honors on four different occasions and broke several school scoring records including a record-breaking ten goal game in 1958. Over a four year span, he scored 167 goals . . .