William CraginWilliam B. Cragin Jr. was an American tennis player active in the early 20th century.Tennis careerCragin reached the quarterfinals of the U.S. National Championships in 1909 and 1910, having to qualify in the former via the preliminary round. In 1911 and 1912 he was runner-up in singles at the U.S. National Indoor Championships. Partnering Gustave F. Touchard, he was the runner-up in doubles at the 1914 U.S. National Indoor Championships.