BROWN THE SAUSAGE IN A SKILLET ON THE STOVE TOP UNTIL COOKED AND CRUMBLED. DRAIN.
ADD THE SAUSAGE, SPINACH, 2 CANS OF TOMATOES, BROTH, AND CREAM CHEESE TO A 6-QUART SLOW COOKER. STIR TO COMBINE.
COOK IN THE SLOW COOKER, ON LOW FOR 5 HOURS, STIRRING TWICE DURING COOKING. ADD THE TORTELLINI IN THE LAST 15 TO 30 MINUTES OF COOKING TIME AND COOK UNTIL THEY ARE TENDER.