Full name is Peter Robert O'Brien…resides in Phoenix, Ariz., with wife, Jordan...Participated in Royals FanFest in 2017...Played one season (2012) at the University of Miami… named preseason All-America by Louisville Slugger and to the Johnny Bench Award Watch List…earned first team All-Atlantic Coast Conference honors despite missing his final 17 games with a broken wrist...Attended Bethune-Cookman (Fla.) from 2009-11, earning Freshman All-America honors (2009) and was named Mid-Eastern Athletic Conference Player of the Year (2010)...A 2008 graduate of G. Holmes Braddock High School in Miami, Fla...Selected by the Colorado Rockies in the third round of the 2011 First-Year Player Draft, but did not sign.
Played in 28 games for Arizona, hitting .141 (9-for- 64) with five homers and nine RBI…saw action in 16 games in left field and one at first base...Recorded first career multi-homer game and set singlegame highs in hits (two) and RBI (four) at Philadelphia on June 17...Hit second career pinch-hit home run on Sept. 10 off San Francisco's Johnny Cueto...In 105 games at Reno (AAA), batted .254 with 20 doubles, five triples, 24 homers and 75 RBI...Ranked among Aces' all-time leaders in homers (third, 50), triples (tied-third, 14), hits (fourth, 242), RBI (fourth, 182), total bases (fourth, 475) and doubles (tied-fourth, 55)...Named D-backs' Minor League Player of the Month in April, hitting .370 (30-for-81) with seven homers and 21 RBI...Led all minor league players in home runs (17) and total bases (142) at the time of his second recall on June 10...Entered the year ranked as the No. 7 prospect in Arizona's minor league system by Baseball America
Hit .400 (4-for-10) with one double, one home run and three RBI in eight games in his first Major League season with Arizona...appeared in three games in left field (one start)...Selected from Triple-A Reno on Sept. 8 vs. Giants...Recorded a RBI single in his first Major League at-bat on Sept. 11 vs. Dodgers (off Ian Thomas)...Hit his first home run as a pinch-hitter on Oct. 2 vs. Astros (off Dallas Keuchel)...the homer was estimated at 471 feet [source: MLB Statcast]...Played in 131 games for Reno and hit .284 (139-for-490) with 35 doubles, nine triples, 26 home runs, 107 RBI and 77 runs scored...Ranked among all Minor Leaguers in RBI (second) and total bases (fourth, 270)...Played in 57 games in left field for the Aces, 47 in right, 12 as the designated hitter, 11 at catcher and four at first base...Named to the Pacific Coast League mid- and postseason All-Star Teams and earned PCL All-Star Game Top Star honors...Named the D-backs' organizational Player of the Month for April, after hitting .383 (31-for-81) with seven doubles, seven homers and 20 RBI in 21 games for the Aces...Entered 2015 as Arizona's No. 8 Prospect by Baseball America and No. 9 by MLB.com.
Combined to hit .271 (108-for-399) with 23 doubles, 34 home runs and 74 RBI in 106 games between Class A Tampa, Double-A Trenton and Double-A Mobile...Ranked among all Minor Leaguers in home runs (5th) and slugging percentage (7th, .594), despite playing his final game on Aug. 6 due to a left knee contusion...Selected to the MLB All-Star Futures Game at Target Field.
Combined at Single-A Charleston and Single-A Tampa to hit .291 (130-for-447) with 39 doubles, 4 triples, 22HR, 96RBI and 78R in 119 games…recorded a .544 slugging percentage…played his first 53G with Charleston, where he hit .325 (63-for-194) and slugged .619…made all 53 appearances as a catcher…had 5RBI on 4/27 vs. Kannapolis…was tabbed SAL "Batter of the Week" on 5/20, hitting .409 (9-for-22) with 3 doubles, 2HR, 12R, 8RBI and 7BB from 5/13-19…batted .395 (15-for-38) during a 10-game hitting streak from 5/10-21…homered in three straight appearances from 6/4-7…earned SAL midseason All-Star honors…was transferred to Tampa on 6/21 and played in 66G, batting .265 (67-for-253) with a .486 slugging percentage…played primarily 3B and DH, but also caught in 12G…recorded 5RBI on 7/6 at Brevard County and again on 7/13 vs. Bradenton…on 8/5 vs. Fort Myers, hit a 2-run, walk-off HR in the bottom of the ninth inning…had a season-high 6RBI on 8/30 at Lakeland, going 3-for-3 with 2 doubles and 1HR…led all Yankees minor league batters in home runs and RBI, also ranking third in runs scored and fifth in BA…was tabbed by MiLB.com an Organization All-Star at the conclusion of the season…also played in 16G for Scottsdale of the Arizona Fall League and batted .190 (12-for-63) with 4HR…hit 2HR on 10/17 at Surprise.
Made his professional debut with the GCL Yankees, appearing in 4G (.357) before being promoted to short-season Single-A Staten Island on 7/7 and appearing in 48G for the club… combined to hit .212 (45-for-212) with 10 doubles, 10HR and 34RBI in 52G.