the graduations of many key players, Iowa again posted a perfect 7–0 final record in 1922. Iowa again went 5–0 in the Big Ten, capturing its second straight Big Ten crown. It is the only time in Iowa history that the Hawkeyes have won consecutive conference titles. The most notable win of the 1922 season was a victory over Yale, then coached by Howard's brother, Tad. It was the first time a "western" team had ever defeated Yale in New Haven. Iowa’s winning streak from 1920–1923 under Jones lasted 20 games and almost three full years. Howard Jones's wife was not fond of Iowa City, and he demanded a new contract, which would allow him to coach and live in Iowa City only during football season. A conflict between Jones and the chairman of the Athletics Board at Iowa contributed to the tension, and Jones eventually resigned as head coach and athletic director at Iowa. Duke and USC Jones coached in 1924 at Trinity College, now known as Duke University, before leaving for USC in 1925. In 16 seasons at USC, Jones coached seven Pacific Coast Conference championship teams and four more national champions, and won each of the five Rose Bowls in which his Trojans played . In the 1920s, USC won two Rose Bowls, in 1923 and 1930. Heading into the 1930 Rose Bowl, USC had defeated its crosstown rival UCLA 76–0 in their first meeting. Moments before a USC-Stanford game, Jones visited the Stanford locker room and discovered Stanford All-American halfback Bobby Grayson was nursing an injured knee. Jones returned to the USC quarters and instructed his players to avoid hitting Grayson in the crippled leg. They never did. In 1939 and 1940, Jones's teams again won the Rose Bowl. In those two Rose Bowl games, USC faced teams that were unbeaten, untied and unscored-upon. First it was Duke, which led after an early fourth quarter 23-yard field goal by Tony Ruffa, but backup USC quarterback Doyle Nave completed four straight passes to "Antelope" Al Krueger who outmaneuvered Eric "The Red" Tipton, scoring the winning touchdown with one minute remaining. Krueger's touchdown marked the first points scored against Duke during the season. In the 1940 Rose Bowl, the Trojans defeated the Tennessee Volunteers 14–0, ending a 23-game Tennessee winning streak and scoring the first points scored against the Volunteers all season. USC historian Al Wesson remarked, "Howard