This time, Amare Stoudemire was the big man in the middle, and sometimes on the perimeter as well. Stoudemire had 30 points and 15 rebounds and played stifling defense against Chris Kaman to lead the Phoenix Suns to a 108-88 victory over the Los Angeles Clippers on Thursday night. Two nights earlier in the same building, 20-year-old Los Angeles Lakers center Andrew Bynum scored a career-high 28…