ARLINGTON, TX - OCTOBER 30: A general view of a giant American Flag stretched across the ouitfield during pregame festivities between the Texas Rangers and the San Francisco Giants in Game Three of the 2010 MLB World Series at Rangers Ballpark in Arlington on October 30, 2010 in Arlington, Texas. (Photo by Stephen Dunn/Getty Images)
Bush spent the last five seasons with Milwaukee. He was 8-13 with a 4.54 ERA in 32 games (31 starts) last year.
He made at least 29 starts in four of the last five seasons. He won 12 games in both 2006 and 2007 when Rangers pitching coach Mike Maddux held the same job with the Brewers.
In 193 games over seven major league seasons with Toronto (2004-05) and Milwaukee (2006-10), the 31-year-old Bush is 56-68 with a 4.66 ERA.
With the addition of Bush on Sunday, the Rangers have 54 players on their spring training roster.