Before meeting Krieger in their first title fight,
Al Hostak knocked out 17 straight opponents. Hostak's mastery of boxing and powerful punching capability was clearly evident. Nonetheless, on November 1, 1938, at Civic Stadium in Seattle, Washington, Krieger won the
National Boxing Association World
Middleweight Championship in a 15-round majority decision over the reigning champion. The fighting was fierce on both sides but the crowd of 9,000 were surprised to see Krieger gaining the victory. The
Spokesman wrote Krieger raised big red welts on Hostak's left side from terrific right hooks," and that "Several times Hostak tried to use his left, then winced and reeled, apparently because of paralysis of the left side." The
Spokesman also noted that Hostak was the favorite in the pre-fight betting. It wrote, "Krieger, a rough, tough, infighter at his best against hard punchers, took the offensive almost from the start, and from the sixth round it was apparent the Seattle Slav (Hostak) was in for a busy evening." After the fight, Hostak was sent to a local emergency room to be treated for his paralysis. According to the
Southeast Missourian, Hostak was "temporarily blinded" from swelling caused by Krieger's repeated blows to his face and eyes. After his win over Hostak, Krieger's coach Hymie Caplan made an understandable decision to forgo any challenger a title shot for a six-month period. Krieger fought over the 160 pound middleweight limit for nearly all of this period, and had a difficult time getting back down to 160 for the Hostak rematch. He still fought regularly after he captured the title from Hostak, facing Billy Conn twice in tough losses, as well as Carmen Bath, Red Farmer, Marty Simmons, Ben Brown, and Alan Matthews. In the Matthews bout on April 5, 1939, Krieger effectively used infighting, with close body blows and hooks to defeat an opponent who was less a threat than Hostak or Steele. According to the
Spokesman Review, both the knockdowns he obtained in the bout with Matthews were from hooks which required him to get in fairly close to his opponent. Notably, Matthews had only a two-inch height advantage over Krieger. Inside blows would be more difficult to execute with an opponent having greater defensive skills and a longer reach. ==Harsh loss to Billy Conn before title rematch==