GREENVILLE, S.C. — Michigan State’s tournament life was on the line, and when it mattered most, the Spartans defended like their season depended on it. Behind a decisive 10-0 run and a string of defensive stops, No. 7 Michigan State rallied for a 74-73 victory over No. 10 Davidson in the first round of the West Region at Bon Secours Wellness Arena. The Spartans (23-12) advance to play No. 2 Duke on Sunday. Joey Hauser matched a career high with 27 points to lead the Spartans while A.J. Hoggard scored 14 and Gabe Brown added 12. Luka Brojkovic scored 18 to lead Davidson while Sam Mennenga added…