Played college baseball at Illinois State University...Led the Missouri Valley Conference in 2015 with 14 home runs and tied the Illinois State University school record with three home runs in a game at Eastern Illinois (3/31/15)...Named a two-time All-MVC First-Team selection and was a Capital One Academic All-American in 2015 majoring in biochemistry and pre-medicine and an MVC Scholar-Athlete First-Team selection in back-to-back season (2014-15)...Received the MVC Commissioner's Academic Excellence Award all four years in college (2012-15)...Graduated from Antioch (Ill.) High School cum laude and was a member of the National Honor Roll earning the honor of the Science Department's "Most Outstanding Student" and the senior class "Most Outstanding Boy", while batting .430 with four home runs and 30 RBI as a senior...His Topps Futures Star baseball card notes his work with world-renowned scientist Dr. Lawrence Rocks on the study of heat effects on a baseball...Resides in Riviera Beach, Florida.
Established single-season highs in home runs (30), RBI (78), doubles (31), hits (136), runs (97), stolen bases (9), extra base hits (62) and hit by pitch (13)...Was the Cardinals lone representative for the Major League Baseball All-Star Game in Cleveland. Walked in his only plate appearance, stole 3rd base and turned two double plays at shortstop...Joined Jhonny Peralta (2015) & rookie Aledmys Diaz (2016) as the third Cardinals All-Star shortstop over last five All-Star Games...Led all Major League shortstops in fielding percentage, total chances, double plays, putouts and led N.L. shortstops in assists...Produced the highest fielding percentage by a Cardinals shortstop in club history at .989, surpassing the previous mark of .987 by David Eckstein in 2006...His Major League leading 119 double plays at shortstop were four short of the club record of 123 by David Eckstein in 2005...Set the Cardinals single-season marks for home runs (30) and extra base hits (62) by a shortstop...Has hit 74 career home runs, 2nd most by a Cardinals player in his first three Major League seasons behind Albert Pujols (114)...Hit 19 or more home runs in each of his first three MLB seasons, joining Trevor Story (2016-18) and Carlos Correa (2015-17) as the only three shortstops to accomplish the feat in MLB history...Has hit 27 of his 30 HR vs. right-handed pitchers, most by a Cardinals right-handed batter since Albert Pujols hit 28 in 2011...Homered in consecutive games seven times in 2019, most among National League shortstops...Was the first Cardinals shortstop other than Ozzie Smith to play 157 games or more at the position in a single season. His 157 games ranked 4th behind Smith who had three different seasons of 158...Was hit by pitch 13 times, 2nd most in a single season by a Cardinals shortstop since David Eckstein (15 in 2006)...Led National League shortstops in walks (62), was 2nd in runs (97), 2nd in home runs (30) and 5th in RBI (77)...Became the first Cardinals shortstop with 90 runs scored since David Eckstein (90, 2005)...His 78 RBI were most by Cards shortstop since Edgar Renteria established the Cardinals record with 100 in 2003...Became the 5th shortstop in MLB history (last was Starlin Castro) with 25 or more doubles in each of his first three MLB seasons.
Played in 115 games, despite missing 45 with injury, sitting out only two games (8/5 at PIT & 8/25 at COL) all season while active...Missed 45 games from May 18-July 5 (left hand fracture), after being hit by a pitch from Luis García in the 7th inning and finished the game recording one more at-bat in the 9th inning...Has hit 44 home runs in his first two seasons as a Cardinals player, T-2nd most (Albert Pujols, 71) with Ken Boyer and Johnny Mize...Ran off a career-high 17-game on-base streak (9/7-24)...Became the only Cardinals shortstop to post consecutive seasons with 19 or more home runs...Established single-season highs with 68 RBI, 68 runs and 36 walks...Recorded 49 RBI post All-Star Break, 3rd-most in the National League (Yelich, MIL - 67; Conforto, NYM - 52) and 6th-most in MLB, while batting .228 over those 66 games...Tallied 22 RBI in the month of August, a single month high, ranked 2nd in the National League (Renfroe, SD, 27)...Hit 15 of his 19 home runs on the road, T-11th in the National League...Hit 10 home runs on two-strike counts, T-9th in the National League and 2nd on the Cardinals behind Matt Carpenter (11)...Hit safely in 18-of-last-20 games (.299, 23-77) and did not go more than two games without a hit after August 1...Hit first career walk-off home run vs. WSH (8/13), a 9th inning solo shot off Koda Glover; also his lone career walk-off RBI...Hit game-winning home run at LAD (8/22), 2-run shot off Kenley Jansen in 9th inning to break a 1-1 tie... Tallied a career-high 5 RBI vs. CIN (8/31) including his 15th home run of the season...Scored in a career-high five straight games (8/10-8/14)...Hit three home runs in the 9th inning, 2nd-most on the Cardinals (Carpenter, 4) and T-3rd most in MLB among shortstops...Had a team high 10 walks in May (T3rd NL), including career-high three vs. CHI (5/6)...Broke up Nick Kingham's no-hitter with a two-out single in the 7th at PIT (4/29)...Smashed a 464-foot (Statcast) home run at CIN (4/12) off Austin Brice, the longest home run of his career...Hit two home runs at NYM (4/1), his first career multi-HR game. Has hit 6 HR in 13 career games vs. NYM with 14 of his 20 career hits vs. Mets going for extra bases (.377/.411/.868)...Played in four injury rehabilitation games at Memphis (AAA) batting .308 (4-13) with a home run and two doubles.
Finished 2nd in the National League Rookie of the Year voting behind Cody Bellinger (LAD)...Made his Major League debut on 5/28 at COL and homered in his first plate appearance, a pinch-hit at-bat against Rockies' closer Greg Holland, the 9th Cardinals player to homer in first at-bat...Led the Cardinals with 25 home runs, the first rookie to lead the team in home runs since Albert Pujols hit 37 in 2001...Ranked 2nd on the Cardinals with 52 extra base hits. His 52 extra base hits in his first 108 MLB games ranked 2nd in Cardinals history (Albert Pujols, 54), 2nd in MLB in 2017 (Cody Bellinger, LAD, 58) and T20th in MLB history behind the leader (Joe DiMaggio, NYY, 77)...His 25 home runs in his first 108 MLB games ranked 2nd in Cardinals history (Albert Pujols, 26), 2nd in MLB in 2017 (Cody Bellinger, LAD, 36) and T13th in MLB history with Frank Robinson and trailing the leader (Bellinger & Mark McGwire, OAK, 36)...His 20 home runs playing the shortstop position were 2nd in Cardinals history (Jhonny Peralta, 21, 2014) and tied Cal Ripken, Jr., for 8th-most by an MLB rookie shortstop... Named National League Rookie of the Month for July, leading all MLB rookies in home runs (8) and hits (28)...Set the Cardinals rookie record for home runs in the month of July with 8...Led the Cardinals in slugging percentage (.532), but did not qualify for the MLB leaders...Ranked among National League rookie leaders in runs (55, 5th), hits (119, 4th), doubles (26, T1st), home runs (25, T4th), RBI (65, 4th), extra base hits (52, T3rd), total bases (222, T3rd), game-winning RBI (5, T8th) and hit by pitch (4, T5th)...Had eight extra base hits in a three-game series (7/7-9 vs. NYM), the most by a Cardinals player in a three-game series in the modern era (post 1900)...Tallied four extra base hits vs. NYM (7/8) with three doubles and a home run, becoming the first Cardinals shortstop and No. 8 hitter to ever hit four extra base hits in a single game. Also became the first Cardinals rookie with four extra base hits in a game since 1935 (Terry Moore, 8/28/1935 at PHI)...Hit safely in six straight plate appearances (7/7-7/9)...Tied for Cardinals team lead with 10 three-plus hit games... Homered in consecutive games eight times with a season-high streak of three games (7/7-9)...Tallied an extra base hit in five straight games (9/26-30) with a double in three straight games (9/26-28), both were his season-highs...Posted the Cardinals single-game high with three doubles (7/8 vs. NYM)...Had an RBI in six straight games (7/21-26), the longest streak by a Cardinal and T4th longest in the National League (7, J.D. Martinez, Parra, Yelich)...Hit 38 home runs in 156 games played between St. Louis and Memphis (AAA)...Played in 48 games with Memphis, batting .299 with 13 HR, 34 RBI and nine doubles.