David Jack Mayfield...On Twitter: @ jackmayfield8...Jack and his wife, Jackie, have two children: Jackson and Rylee...Recorded a 20-game hitting streak with Triple-A Round Rock, from July 14-Aug. 9, 2019; second-longest streak in Pacific Coast League that season...Played collegiately for four seasons at University of Oklahoma...Was a two-way player his first two seasons…Posted a 2.88 ERA over 65.2 innings…That included a shutout of rival Oklahoma State his freshman season, 2010 (5 H, 0 BB, 7 K)...Became a full-time position player prior to his junior year…In that junior season, 2012, hit .280 and was named to the Big 12 All-Tournament Team and the Charlottesville All-Regional Team...Was the Sooners’ starting second baseman his junior season and the team’s starting shortstop his senior season...Attended Del Rio HS (TX), approximately 150 miles west of San Antonio...Hit over .400 in his high school career and was a three-time First Team All-District (2007-09)...Originally signed by Astros scout Jim Stevenson.
In second Major League season with Astros, played in 21 games across two big league stints...Made Houston’s Opening Day roster for first time in career...Was optioned to Alternate Training Site, Aug. 6 and recalled Aug. 16 for remainder of season...Made 13 starts, logging time defensively at third base (six starts, eight appearances), shortstop (four starts, eight appearances) and second base (three starts, five appearances)…Had no errors in 38 total chances...Seven of his eight hits came against right-handers...Only hit against a lefty was a two-run single vs. Angels (off José Suarez, Aug. 25-Game 1)…Had career-best three-game hitting streak, from Sept. 5-6, all against Angels…Went 3-for-10 (.300) with one double in that stretch...Five of eight hits on season came against Angels.
28-year-old played in 26 games with Houston after making his Major League debut on May 27...made it to the Majors in his seventh professional season after signing with the Astros as an undrafted free agent in 2013...made 16 starts with the Astros (12 at shortstop; 4 at second base)...received his first invitation to Major League Spring Training camp...began the regular season at Triple A Round Rock...was selected to the Major League roster on May 27...optioned to Triple A on June 20...recalled from Triple A on Aug. 19...optioned to Triple A on Aug. 21...recalled for a final time on Sept. 14...made his MLB debut in a start at second base on May 27 vs. CHC, going 1x4 with a double and an RBI-groundout...doubled in his first-career MLB plate appearance, becoming the first Astro to record a hit in his first PA since Yuli Gurriel on Aug. 21, 2016 at BAL...prior to Mayfield, the last Astros player with an extra-base hit in his first-career MLB plate appearance was Enrique Hernandez on July 1, 2014 vs. SEA (groundrule double)...hit his first-career homer on June 6 at SEA off LHP Roenis Elias... went 3x4 with three doubles, three runs scored and an RBI on June 15 vs. TOR in what was his first-career multi-hit game...tied a franchise record for doubles by a rookie in a single game, also accomplished by Terry Puhl (July 30, 1977 vs. CHC) and Norm Miller (Aug. 21, 1967 vs. STL)...tied a club record for doubles in a single game by a second baseman, joining Mark Loretta (July 5, 2008 at ATL), Craig Biggio (May 15, 2002 vs. PHI and June 14, 1999 vs. ATL) and Art Howe (June 2, 1977 at CIN)...became the only second baseman in Astros history with three doubles and three runs in a game, and the fifth player overall regardless of position (first since CF Craig Biggio on 4/12/04 at STL)...batted .287 with 26 doubles, one triple, 26 homers, 79 RBI and a .916 OPS (.350 OBP/.566 SLG) in 100 games with Triple A Round Rock...recorded a 20-game hitting streak at Triple A from July 14-Aug. 9, the second-longest hitting streak in the PCL in 2019...on Aug. 16 vs. Oklahoma City, went 3x5 with three home runs and six RBI.
Was invited to Major League Spring Training for the first time in his career and impressed for the second straight year with the Astros hitting .313 (15x48) with three doubles, two home runs, seven RBI and an .870 OPS in 24 games...assigned to Triple A Fresno for the regular season and played his entire campaign with the Grizzlies...finished his year with a .270 (117x433) average, a career high 31 doubles, 16 home runs and 66 RBI in 113 games...named an MiLB.com Organizational All-Star as the cub's second baseman... appeared defensively in 62 games at second base, 47 at shortstop and four at third base...played Winter Ball for Escogido in the Dominican Winter League, appearing in 25 games.
Was a Double A Texas League Midseason AllStar in a year split between Corpus Christi and Triple A Fresno...batted .283 (120x424) with 28 doubles, 20 homers, 67 RBI and an .827 OPS (.327 OBP/.500 SLG) in 112 combined games between the two stops... hit .289 (78x270) with 32 extra-base hits and an .848 OPS (.330 OBP/.519 SLG) in 70 games with the Hooks...played second base (43g), shortstop (20g) and third base (6) at Corpus Christi...impressed in 17 Major League Spring Training games with the Astros as a minor league call-up.
Hit .216 (54x250) with 12 doubles and 11 homers in 78 combined games between Triple A Fresno (45g) and Double A Corpus Christi (33g).
Was a California League Midseason All-Star after hitting .303 (82x271) with an .827 OPS (.370 OBP/.458 SLG) in 66 games with Lancaster...spent his last 48 games of the year at Double A Corpus Christi.
Played 105 games at Lancaster (66g) and Quad Cities (39g), combining to hit .282 (111x393) with 31 doubles, nine homers, and 55 RBI.
Played 29 games at Greeneville and 26 games at Tri-City after signing with the Astros as a non-drafted free agent.