Unable to trade for a new center , Nelson decided to start the prolific rebounder Nowitzki at pivot , put Walker on Nowitzki 's usual power forward spot .
Unable to trade for a new center , Nelson played Jamison as a high - scoring sixth man .
Unable to trade for a new center , Nelson decided to start the prolific rebounder Nowitzki at pivot , put Walker on Nowitzki 's usual power forward spot and played Jamison as a high - scoring sixth man .