Was selected by the Reds with the fifth pick of the June 2013 draft's Competitive Lottery Round A...was the team's second selection (behind OF Phillip Ervin) and the draft's 38th pick overall...in 2014 was a Southern League All-Star...in the springs of 2014 and 2015, following each of his first 2 professional seasons, was a non-roster invitee to Major League training camp...in 2016, was the Reds' nominee for MLB's prestigious Roberto Clemente Award for his contributions on and off the field and the club's nominee for the MLBPA's Marvin Miller Man of the Year Award...wears uniform #21 in honor of Clemente...graduated from Fullerton (CA) High School...pitched and played outfield at Cal State-Fullerton, where in 2013 he posted 19 saves in 22 apps as a pitcher (3-0, 1.99, 22.2ip, 17h, 4bb, 20k) and in 59 apps as an outfielder hit .335 (7hr, 53rbi, 12sb)...with 35 career saves established a school record...following the 2013 collegiate season was 1 of 5 finalists for the National Collegiate Baseball Writers' Association Stopper of the Year Award, 1 of 12 players named to the John Olerud Two-Way Player of the Year Award watch list, a Golden Spikes Award semifinalist, a Louisville Slugger first-team All-America selection and All-Big West Conference for the second straight season.
Led the pitching staff with 8 wins and 70 apps, both career highs...ranked T5th in the National League in wild pitches (12) and 15th in apps...posted a 2.93 ERA prior to the All-Star break (37g) and a 6.32 ERA during the season's second half (33g)...earned his first 2 Major League saves, in the 7-5 win on 4/15 vs Mil and in the 5-2 win on 9/17 vs Pit...in 20 of his 70 apps threw more than 1.0 inning...twice threw a season-high 3.0 innings (4/10 at Pit, 5/30 at Tor), once threw 2.1 innings (7/28 at Mia) and 9 more times threw 2.0 innings...10 times pitched on consecutive days...never in his career has pitched 3 straight days...inherited the bases loaded 4 times, a staff high, and stranded 11 of the 12 runners...in the 7-1 win on 4/10 at Pit combined with Cody Reed (3ip) and Wandy Peralta (1ip) to throw 7.0 perfect innings...Reds relievers threw 7.0 hitless innings in a game for the first time in modern franchise history...in his first appearance of the second half (7/15 vs Wsh) allowed 6 earned runs, his career high out of the bullpen, while recording just 1 out...following that outing, his season ERA rose from 2.93 to 4.08 and didn't drop below 3.78 (7/22) the rest of the season...from 7/23-8/4 allowed at least 1 run in a career-high 5 consecutive relief apps (7ip, 11h, 6r, 5er, 2bb, 8k, 1hr)...3 times was used as a pinch hitter, on 4/6 vs Phi (HR off Adam Morgan), 4/16 vs Mil (6-3 off Wily Peralta) and 6/6 vs StL (1-3 off John Gant)...iIn the sixth inning of the 7-4 win 4/6 vs Phi produced a pinch-hit HR off Adam Morgan that snapped the 4-4 tie...was the first pinch-hit HR by any Major League pitcher since Cin's Micah Owings homered off StL's Ryan Franklin on 5/10/09 and the first pinch-hit HR by any Reds batter since Adam Duvall on 8/31/15 off Chi's Justin Grimm...was the club's nominee for the MLBPA's Marvin Miller Award, which goes to the player whose on-field performance and contributions to his community most inspire others to higher levels of achievement...retired the first batter in 50 of his 70 relief apps...stranded 19 of his 29 inherited baserunners...converted 2 saves in 8 chances...the Reds went 36-34 in games in which he pitched.
In his first full season as a reliever posted a 2.88 ERA over 35 apps...in 12 of his 35 apps threw at least 2.0 innings, with a career-high of 3.0 innings in relief on 6/30 at Wsh, and 15 times threw more than 1.0 inning...the day before Opening Day went on the disabled list with a sprained right elbow that limited him to 1 spring training appearance...didn't make his season debut for the Reds until 6/24 vs SD...his father, Clif Lorenzen, died on 8/17...2 days later came off the bereavement list, threw 1.2 scoreless innings in that night's 9-2 win vs LAD and also hit his first career home run (3-run off Pedro Baez)...was the only home run by a Reds pitcher all season...his 3-run HR off Pedro Baez was the first by a Reds relief pitcher since Micah Owings homered on 5/7/10 vs Cubs off Carlos Silva...was the Reds' nominee for Major League Baseball's prestigious Roberto Clemente Award for his contributions on and off the field...MLB and the Players' Association donated $7,500 to the Dragonfly Foundation in Michael's name...also was the club's nominee for the MLBPA's Marvin Miller Man of the Year Award.
In his Major League debut made 21 starts and 6 relief apps...was 1 of 9 rookie pitchers who combined for 110 starts for the Reds, both single-season modern club records... the Reds' season-ending streak of 64 consecutive starts by rookies, beginning 7/29, is a modern Major League record...was 1 of 5 Reds pitchers to start in his Major League debut (Raisel Iglesias, John Lamb, Jon Moscot, Josh Smith)...among National League rookie pitching leaders ranked 10th in ERA, T5th in starts, seventh in innings pitched and strikeouts and 10th in opponents' BA (.292)...made his first 3 apps of the season for the Reds as a starter (1-1, 2.81), followed by relief apps on 5/15 and 5/20...from 5/26-9/16 made 18 consecutive apps as a starter (3-8, 5.92) and then beginning 9/24 finished the season with 4 relief apps (4.2ip,1 er)...posted 7 quality starts...began the season at Louisville (3gs, 2-1, 2.84)...was promoted on 4/29 and in that night's 8-3 loss started vs the Brewers in his Major League debut after just 49 minor league apps...on 8/13 returned to the Bats for 3 minor league starts and went 2-1, 1.13 before he was promoted again on 8/31...following a 5-3 loss at SF on 9/16, returned to the bullpen after going 1-1, 6.00 in 4 starts following that 8/31 promotion...in his big league debut on 4/29 vs Mil, his first strikeout victim was pitcher Matt Garza... with 2 outs in the bottom of the second inning singled off Garza to become the first Reds pitcher with a hit in his first career plate appearance since Jose Arredondo on 7/29/11 vs SF...in his second start, a 7-1 win at Pit on 5/5, earned his first Major League victory...went 1-1, 2.81 in his 3 starts before a relief appearance vs SF on 5/15...in the fifth inning of that 10-2 loss to the Giants, grounded out as a pinch hitter and then pitched the sixth and seventh innings...excluding non-pitchers, became the first player to pinch hit and pitch in the same game since SF's David Huff on 5/26/14 vs Cubs and the first Red to do it since Micah Owings on 6/15/2010 vs LAD...on 6/6 vs SD produced his first career 2-hit game, both singles off Andrew Cashner...in spring training went 3-0, 1.80 in 2 starts and 4 relief apps (15ip, 12h, 10bb, 9k)...was a non-roster invitee to Major League spring training camp...as one of the final roster moves prior to Opening Day was reassigned to minor league camp the day the team left Goodyear.
In his first professional season pitched at 4 different levels and in 1 start and 21 relief apps combined to post a 3.00era and 4 saves...following the season pitched for Glendale in the prestigious Arizona Fall League (6gs, 0-3, 11.42, 17.1ip, 29h, 12bb, 5k)...participated in the AFL's Fall Stars Game.