He began his professional career in 2006 pitching for the AZL Cubs, going 0–2 with an 8.28 ERA in 13 games (three starts). In 25 innings of work, he struck out 33 batters. He pitched for the Peoria Chiefs in 2007, going 3–1 with a 1.80 ERA in six starts. After not pitching in 2008, Dolis pitched for the Daytona Cubs in 2009, going 3–9 with a 3.79 ERA in 27 games (25 starts).\n', '

He began 2010 with the Daytona Cubs.\n', 'He made the Chicago Cubs opening day roster in 2012, but was demoted to the Cubs\' Triple-A Iowa Cubs in May 2012 after compiling an MLB record of 2–4 with an ERA of 4.73.\n', '

Dolis was outrighted off the Cubs roster on October 9, 2013.\n', '

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