playing third base and catcher getting 117 hits in 365 at bats and batting .321. Following a good performance in Meriden's 14-6 win against Waterbury in their last home game on September 7, Unglaub was sold to Worcester Farmers of the Eastern League. Unglaub immediately started for Worcester in their 4-2 win against Syracuse on September 10 and stayed on to appear in remaining 12 games with Worcester during the 1900 season. He played an entire 1901 season with Worcester, serving as a third baseman and batting .247. Following his first full successful season in Eastern League, Unglaub attracted attention of several other clubs. While he verbally agreed to stay with Worcester for another year and received approximately in advance money from the club's president, he went on trial with Philadelphia Phillies and signed a contract with them in January 1902. Unglaub initially denied signing the contract with another club, but the truth eventually came out and his contract with Philadelphia was nullified. Refusing to return to Worcester, Unglaub crossed the country to join the Sacramento Senators of the independent California State League for the upcoming 1902 season. He made his debut for the Senators on April 5, 1902, in their 6-5 away loss to San Francisco Ponies. Unglaub started the season as a second baseman, but was quickly shifted to shortstop, finishing the season as a first baseman and right infielder. He played his last game for Sacramento on December 7, 1902, in their 4-2 win against San Francisco, finishing the season with .260 batting and appearing in 150 games for the Senators. He joined the Milwaukee Brewers of the American Association in 1903 and batted .304, moving back to third base during the year. First taste of the major leagues (1904–05) In 1904, Unglaub reached the major leagues for the first time, debuting with the New York Highlanders. Though initially signed by the Boston Americans, his rights were transferred to New York in an unknown transaction before the season started. Unglaub made his major league debut on April 15, pinch-hitting and taking over at shortstop in a 4–1 loss to Boston. He started four straight games at third base from May 3 through 6 before being sidelined due to blood poisoning. Still not having played since May 6, he was sent back to the Americans in late July as a player to be named later from an earlier