 After an excellent start against the Atlanta Braves on June 12, 2007, in which he gave up 2 earned runs, Slowey began to struggle through his remaining starts.On July 5, 2007, after giving up 5 earned runs in 3 innings against the New York Yankees, Slowey was optioned back to the Triple-A Rochester Red Wings, exchanging his roster spot with Carmen Cali.Slowey pitched 10.2 innings for the Minnesota Twins in spring training, posting a 2-1 record and 5.90 ERA, earning him a spot on the starting rotation.