Andrew Gregory Chafin...Attended Kent State University…missed the 2010 season after undergoing Tommy John surgery on his left elbow…earned Louisville Slugger freshman All-American honors in 2009...Played with Cotuit in the Cape Cod League in 2010... Graduated from Collins Western Reserve (Ohio) High School…his No. 17 jersey was retired in Jan. 2016...Signed by Nate Birtwell (D-backs).
2017
Posted career highs in both appearances (71) and strikeouts (61), going 1-0 with a 3.51 ERA and .246 opponents average...Ranked among NL relievers in inherited runners (4th, 49) and groundball/ flyball ratio (T-6th, 3.08)...His 71 appearances were the second most all-time by a D-backs lefty reliever (Randy Choate, 74 in 2004)...Lefties batted .222 AVG/.281 OBP/.284 SLG with 3 extra-base hits...held lefties hitless in his last 8 games (0-for-9) and in 10 of his last 11 (0-for-10)...Finished the season with 7 straight perfect outings (4.1 IP) after Sept. 11. POSTSEASON: Pitched in 3 postseason games (1 ER in 0.2 IP).
2016
Went 0-1 with a 6.75 ERA (17 ER in 22.2 IP) with 28 strikeouts in 32 appearances over 2 stints with the D-backs…also appeared in 7 games with Triple-A Reno...Made his second career Opening Day roster...On the disabled list on July 6 (retro July 4)-Sept. 6 with left shoulder tendinitis, but did not pitch after his return...Posted a 1.32 ERA (2 ER in 13.2 IP) and .156 opponents aver-age @ Chase Field…went 15 consecutive scoreless outings at home from April 7-July 3, tied for the fifth-longest scoreless games streak in Chase Field history in a single season (also: Brad Ziegler in 2013 and David Hernandez in 2012)...His .178 opponents slugging pct. @ Chase Field was the lowest by a D-back and the fifth-lowest overall, trailing Padres' Brian Lawrence (.167 in 2003), Dodgers' Hideo Nomo (.170 in 2003), Padres' Jake Peavy (.173 in 2005) and Giants' Jerome Williams (.176 in 2003)...Ended his season with 9 straight hitless outings after his recall from Reno on June 15 (5.2 IP), tying a club record (also: Joe Pa-terson, April 16-May 11, 2011; Mike Myers, May 10-25, 2003).
2015
Went 5-1 with 2 saves and a 2.76 ERA (23 ER in 75.0 IP) in 66 appearances in his first full Major League season with Arizona…Ranked among NL rookies in games (2nd) and saves (T-2nd)…Among Major League left-handed relievers, finished second in innings, sixth in ERA and eighth in strikeouts…Ranked among all D-back rookies in opponent average (2nd, .207), ERA (3rd), appearances (3rd) and innings (3rd)…Was fourth among NL relievers with 23 games of over 1.0 IP…Limited left-handers to a .182 average (20-for-110)…Pitched in 27 games that were decided by 1 run with a 0.84 ERA (3 ER in 32.0 IP)…Earned his first win on April 28 vs. Rockies…Recorded his first career save on June 21 vs. Padres (3.0 IP), the ninth save of 3.0+ innings in club history…Tied a club rookie record with 19 straight scoreless appearances from July 10-Aug. 22 (20.1 IP)…Joe Paterson also had 19 in 2011…Optioned to Triple-A Reno on Aug. 30 and made 1 appearance before his recall on Sept. 8.
2014
Made three starts during his first Major League season with Arizona, going 0-1 with a 3.86 ERA (6 ER in 14.0 IP)...Contract was purchased from Triple-A Reno on Aug. 8...Made his Major League debut in Game 2 on Aug. 13 @ Indians… was the second D-backs rookie to throw 5.0 scoreless innings with three hits or less in his Major League debut (also Micah Owings on April 6, 2007 @ Nationals)...Combined to go 9-7 with a 4.08 ERA (67 ER in 147.2 IP) in 26 games (25 starts) with Reno and Double-A Mobile...Was 4-1 with a 1.96 ERA (12 ER in 55.0 IP) in 9 starts with the BayBears, and 5-6 with a 5.34 ERA (55 ER in 92.2 IP) with the Aces...Combined to throw 15.0 scoreless innings in the Pacific Coast League playoffs, including a 4-hit shutout on Sept. 4 @ Las Vegas...Entered the season ranked as the D-backs No. 6 Prospect by MLB.com.
2013
Combined to go 13-8 with a 3.20 ERA (56 ER in 157.1 IP) in 27 starts with Single-A Visalia and Double-A Mobile…also notched 2 complete games...Was 3-1 with a 4.65 ERA (16 ER in 31.0 IP) in 6 starts with the Rawhide and 10-7 with a 2.85 ERA (40 ER in 126.1 IP) in 21 starts with the BayBears...Southern League midseason All-Star selection...Earned SL Pitcher of the Week honors for June 17-24, tossing a complete on June 21 @ Jackson (1 ER)...Made 2 appearances with Salt River in the Arizona Fall League (2 ER in 2.1 IP)...Entered the season rated as the D-backs' No. 9 Prospect by Baseball America and possessing the Best Slider.
2012
Spent the entire season with Visalia, going 6-6 with a 4.93 ERA (67 ER in 122.1 IP) in 30 games (22 starts).....California League midseason All-Star selection....Was 6-5 with a 4.94 ERA (62 ER in 113.0 IP) as a starter and 0-1 with a 4.50 ERA (5 ER in 10.0 IP) in relief.....Led all CL starters in batting average against (.239), strikeouts per 9.0 IP (11.30) and ranked third in strikeouts (150).....Won CL Pitcher of the Week honors for April 5-16, going 2-0 with a 0.82 ERA (1 ER in 11.0 IP)...Finished the season as Baseball America's No. 10 CL Prospect.
2011
Made his professional debut with Rookie AZL D-backs and made 1 relief appearance.
