Opened the season on the Major League roster for a second-straight season and was part of the team's starting core, making 29 starts (31 games)…Voted in by fans to the All-Star team as part of the Final Vote contest, his first All-Star selection. Did not appear in the game…Had his season end a week early when he had to leave the game on 9/25 vs. MIL with right shoulder tightness after seven pitches and two batters. Missed the rest of the season and postseason with a right shoulder strain…Among National League leaders ranked 10th with his 3.01 ERA, T7th with 14 wins and T6th with a .667 winning pct…Led Cardinals pitchers with 184 strikeouts (13th NL) and 9.22 K's/9 IP (10th NL)…Recorded 20 quality starts, T14th in the N.L. Posted 11 straight quality starts from 5/20-7/25, 3rd to Jake Arrieta (20) and teammate John Lackey (12) for the longest streak during the 2015 season…The Cardinals went 22-7 in his 29 starts, winning the first five, losing two, then winning 17 of his final 22...Ranked 5th in the N.L. with a 55.1% ground ball percentage and was T12th in the N.L. with his career-best 19 double plays(0.95 GDP/9 IP, 11th NL)…Led all N.L. pitchers with a 28.6% stolen base rate, allowing just 2 steals in 7 attempts…Went 4-2 with a 2.41 ERA (9th NL) in 10 day games (9 starts) and 10-5, 3.30 ERA in 21 games (20 starts) at night…Ranked 2nd among all N.L. pitchers with .181 (29-160) opponent batting average with RISP…Joined Shelby Miller (101 in 2013) on 6/28 as the only STL pitchers age 23 or younger to have recorded 100 or more strikeouts in the team's first 75 games when he fanned Chris Coghlan of the Chicago Cubs…Had a 2.55 ERA (41 ER/144.2 IP) from 5/15 to the end of the season, the 6th-lowest among all MLB pitchers…Threw 15.8 pitches/inning, 15th most among N.L. qualifying pitchers (teammates Lance Lynn ranked 1st, 17.4 & Michael Wacha was 10th, 16.2)…Made two relief appearances: Opening Day, 4/5 at CHI, where he earned a Hold with a scoreless 1.0 IP, and 7/19 vs. NYM when he pitched 4.0 innings (innings 15-18) and took the 3-1 loss in his longest career relief app. (2R, 1ER)…Blanked the LA Dodgers for 7.0 IP, allowing just one hit with 8 K's, in an emotional 3-1 win on 5/31 at Busch Stadium as the team remembered the late Oscar Taveras on the one-year anniversary of his MLB debut…Was unscored upon in three starts and went 22.1 scoreless innings between his starts 5/20 (6.1 IP, 9-0 combined shutout at NYM), 5/25 vs. ARI (7.0 IP, 3-2 10 inn. win), 5/31 vs. LAD (7.0 IP, 3-1 win) and first inning of 6/5 game at LAD (7.0 IP, 2-1 win)…Struck out a career high 11 in his 7.0 innings at LAD on 6/5…Used just 84 pitches in 4-1 win vs. CHI on ESPN Sunday Night on 6/28 as he endured two rain delays totaling 2:29. Allowed only 2 hits in 6.0 IP and K'd six…Faced off against former teammate Shelby Miller vs. ATL on 7/25 and earned the win in a 1-0 game lasting just 2:13. Pitched 8.0 innings allowing 6 hits, 1 walk and 6 K's in the shutout. The Cardinals had just 2 hits, but a single, walk, fly-out and sac fly inthe 8th pushed a run across for the win.
Opened the season on the Major League roster for the first time and appeared in 57 games, starting seven. Was optioned to Memphis (AAA) 7/31-8/17, where he made two starts (10.1 IP)...Was 0-3 with a 3.79 ERA in 50 relief appearances (57.0 IP). Pitched a season and career high 2.2 innings of relief 6/1 vs. SF...Made 14 straight scoreless appearances (8/22-9/23) before allowing a run at CHI on 9/24, spanning a career-high 16.1 IP...Earned his first save of 2014 in the final game of the regular season at ARI (9/28); had one previous save on 9/20/13 at MIL...Inherited 26 runners and allowed only 3 to score (11.5% IRS)...Made seven straight starts between 6/16 and 7/20 and went 2-1 with a 4.45 ERA, posting wins vs. PHI (6/22) and at SF (7/3)...Longest start was 6.0 IP vs. PIT (7/8) in a no decision...Struck out a season-high six batters in each of his back-to-back starts 7/3 at SF & 7/8 vs. PIT...Had two singles in his start at LAD 6/27 in STL 3-1 win, a game in which he collected the most hits...Tallied his first Major League RBI with a two-RBI single to left field at SF (7/3), scoring Mark Ellis and Jon Jay...Made two starts during his return to Memphis, allowing no runs in 4.1 innings at Round Rock and no runs over 6.0 innings vs. New Orleans. Fanned seven and walked just one...Made four appearances, all in relief...was 0-0 with a 2.25 ERA over 4.0 innings...had scoreless outings in 3- of-4 appearances...Earned a Hold in Game 1 of National League Division Series at LA (10/3), allowing one run in 1.1 innings of relief, his longest outing of the postseason...appeared in 3-of-5 NLCS games vs. SF and did not allow a run.
Pitched at three levels in 2013; Springfield (AA), Memphis (AAA) and St. Louis (MLB)... Began the season at Springfield (AA) before a call up to St. Louis from Memphis (AAA) making his Major League debut at MIL (5/3), tossing a scoreless inning... Made 21 appearances with one game started in St. Louis. Was recalled five times throughout the season... His one start was vs. LAD (8/8), taking loss in 4.2 innings, allowing four runs; three on his final batter, a 3-run HR to A.J. Ellis. It was his only HR allowed in MLB (28.1 IP)... First MLB win came in relief vs. CIN (8/26) with 2.0 innings pitched, backed by an Allen Craig grand slam in the 7th inning... Earned two wins, both in relief vs. CIN (8/26 & 9/4) in back-to-back appearances... Earned his first professional save, working a scoreless 10th inning at MIL (9/20)... Was 1-0 with a 3.48 ERA in nine September appearances, with 10 K in 10.1 IP... Went 5-3, 2.51 ERA in 13 starts (68.0 IP) with Memphis and 1-0 with a 2.31 ERA in three starts (11.1 IP) at Springfield... Struck out a season-high nine batters in a no decision at New Orleans (8/29) in an important division race game for Memphis, tossing 7.0 innings allowing one run... Held right-handed batters to a .168 BA (19-113) at Memphis... Named Cardinals organization Minor League Pitcher of the Month for June posting a 2-2 record with a 2.20 ERA and 30 strikeouts in 32.2 innings covering six starts... Rated as the second-best prospect in the Cardinals organization by Baseball America, as well as the "Best Fastball" and "Best Slider" in their "Best Tools" survey... Pitched for Aguilas during Dominican Winter League season... Tied Julian Tavarez (CLE, 1995) for most postseason appearances by a rookie with 12...was 0-1 with a 3.55 ERA and five Holds...his five postseason Holds were the most by a rookie pitcher since Holds were regularly kept as a stat...tied Jason Motte (2011) and Octavio Dotel (2011) for most appearances during the World Series in Cardinals franchise history...picked off Nick Punto in Game 4 of NLCS (10/15), a critical play in the 7th inning to end Dodgers rally...made two appearances of 2.0 innings, both were Holds coming in wins in Game 4 of NLCS at LAD and Game 2 of World Series at BOS (10/24)... was unscored upon in four NLCS appearances, earning two Holds, and allowing only two baserunners on a double and a walk.
Led the Dominican Summer League with an 0.76 ERA (5 ER/59.0 IP), and was tops in lowest opponent BA (.144), strikeouts/9 IP (11.9) and WHIP (T1st, 0.71)...led all Cardinals minor league pitchers in ERA, opponent batting average and WHIP, while ranking in the Top 10 in strikeouts/9 IP (2nd, 11.89), strikeout-to-walk ratio (3rd, 5.57) and toughest to homer off (4th, 228-1)...named third-best prospect in the Cardinals organization by Baseball America.