Chase Thompson scored 31 of his game high 37 points in the first half as the Alexandria boys’ basketball team built a commanding 54-17 halftime advantage over the Fergus Falls Otters.  The Cardinals went on to post an 89-49 victory over the Otters, advancing to the Section 8AAA championship game against St. Cloud Tech.  Tech moved on with a 76-70 win over Detroit Lakes in the other semifinal contest.