What are Celtics options for starting point guard next season?

Let's face it - this off-season is going to be wild. I can't wait to see what transpires with the Celtics. Rumors are flying about Kyrie Irving heading everywhere but the Aleutians - and that includes the Los Angeles Lakers. I'll start with Mark Van Deuson's tweet below:

Pick a Celtics starting point guard for next year:

— Mark Van Deusen (@LucidSportsFan) May 9, 2019I always liked Rondo and still do. He will be an Unrestricted Free Agent and earned $9 million this past season. Isaiah Thomas? He also is an UFA and made $2 million this season. Nobody seems to be lukewarm on Kyrie Irving - they either love him or hate him. He is still young and exhibited many of the immature and unprofessional…