Conversation so far:
What is the Portland Trail Blazers?
Portland Trail Blazers in the 1974 NBA draft.
When did he join the Portland Trailblazers ?
1974 NBA draft and was hailed as the savior of the Portland franchise.
He signed with the Trail Blazers.

Question: Against whom did he play while with the Trailblazers?
Self-contained rewrite: Against whom did Walton play while with the Trailblazers?