Former Knick and NBA veteran P.J. Tucker announced his retirement on Thursday, hanging up his sneakers after a professional basketball career that spanned parts of two decades.  Tucker, 41, played three games for the Knicks during his final season in the NBA last year, and his career included time with the Raptors, Suns, Rockets, Bucks, Heat, 76ers and Clippers.  “[Twenty] years being my job but 40 plus years of not being able to fathom doing anything other than it. So here’s to retiring from the NBA… because I will NEVER stop ballin,” he wrote on Instagram Thursday alongside a carousel of photos from across his career in the league. New York Knicks forward P.J. Tucker shakes hands with New York Knicks forward Mikal Bridges as he checks into a playoff game last season. Charles Wenzelberg / New York Post The pinnacle of Tucker’s NBA career came in 2021 as part of the Bucks’ championship-winning team.…