Originally signed by the Chicago Cubs as a non-drafted free agent on May 2, 2011...Signed by Jose Serra and Carlos Reyes.
Made his Major League debut on 3/31 vs. MIN, tossing 1.0 scoreless inning while recording his first career strikeout (Byron Buxton)...Earned his first Major League win on 4/6 at NYY after tossing 2.0 scoreless innings... Struck out a season-high five batters on 4/8 at NYY (2.1 IP)... Opponents hit .153 (9-for-59) in two strike counts; 0-2 (1-for-9), 1-2 (2-for-19), 2-2 (3-for-17), and 3-2 (3-for-14)... Opponents hit .152 (5-for-33) with nobody out, .250 (9-for-36) with one out, and .366 (15-for-41) with two outs... Tossed a season-high 2.2 innings on 4/28 vs. DET; seven of his 20 outings on the season were 2.0-or-more innings... Placed on the 10-day disabled list on 6/11 with a right elbow sprain; transferred to the 60-day DL on 9/11
Spent essentially the entire season with Class A-Advanced Myrtle Beach, and made one appearance for Double-A Tennessee...Went 6-1 with 10 saves and a 1.81 ERA (13 ER/64.2 IP) in 44 appearances with the Myrtle Beach Pelicans...Led the team in appearances and ranked third in strikeouts (83)…His 44 games ranked second in the Carolina League...Set single-season career-highs in appearances (45), strikeouts (87), and innings pitched (66.2)...Limited right-handers to a .146 average (22-for-151) with 56 strikeouts against just 11 walks...Allowed just one earned run in the month of June, posting an ERA of 0.69 (13.1 IP)...Held opponents scoreless in 33 of his 45 appearances …Limited opponents to one-or-fewer runs in 42 appearances...Worked 2.0-or-more innings in 17 games...Promoted to Double-A on 8/11 and appeared in one game for the Smokies...Worked 2.0 scoreless innings for Tennessee on 8/14 at Biloxi (1 H, 1 BB, 4 K)...Appeared in six games for the Mesa Solar Sox in the Arizona Fall League…Recorded two saves and posted a 1.42 ERA (1 ER/6.1 IP)…Allowed three hits and no walks with eight strikeouts...Acquired by the Orioles on 12/14 in the Rule 5 Draft.