UND Roster

2016-17 Baseball Roster

#50 Sean Guenther


Height 5'11''
Weight 194 lbs.
Class Junior
Hometown Atlanta, GA
High School Marist School

Career & Game-by-Game Stats Get Acrobat Reader


  • MLB Draft Pick (2017 – Seventh Round by Miami Marlins)
  • Louisville Slugger Freshman All-American (2015)
  • ACC All-Freshman Team (2015)
  • Two-time ACC All-Academic Team (2015 & 2017)
  • Three-time ACC Academic Honor Roll (2015, 2016 & 2017)
  • Two-time Monogram winner (2015 & 2016)

AS A JUNIOR (2017):

  • Selected in the seventh round of the 2017 MLB Draft by the Miami Marlins (209th overall)
  • Earned closers job while leading team with 2.64 ERA and seven saves (two victories) and making more pitching appearances than any other pithcer at 24
  • Struckout 69 in 58.0 innings pitched while walking just 19 batters
  • Was a part of two shutouts
  • Recorded his first save of the year by throwing 2.2 innings of shutout ball to finish off Chicago State
  • Threw 4.1 innings of shutout baseball in series victory over NC State, including five strikeotus and a save
  • Hurled three shutout innings to earn save in 2-1 victory over Michigan State
  • Capped collegiate career by working five innings in 13-inning ACC Championship loss to Florida State, allowing just three hits and striking out eight


  • Made 11 starts and 15 total appearances, posting a 3-5 record and one save
  • Allowed one run in 7.1 innings in victory over Incarnate Word
  • Took tough 1-0 loss at No. 4 Louisville, allowing one run on six hits in 7.2 innings
  • Defeated Virginia Tech after allowing two runs, one earned, in 6.2 innings against Virginia Tech
  • Earned a victory over Boston College thanks to 6.2 innings of one-run ball
  • Threw 2.1 scoreless innings against No. 11 LSU


  • Named Louisville Slugger Freshman All-American and to ACC All-Freshman team
  • Led Irish with five saves and 27 appearances
  • Held opponents to a .203 batting average with two outs and .216 average with runners on base
  • Made 15 straight appearances without allowing a run
  • All five saves came over final 15 appearances of the season
  • Emerged as reliable out of the bullpen entering ACC play, starting with 3.1 scoreless innings in Clemson Series and 2.2 scoreless innings in series with No. 8 Louisville
  • Earned first career save against Pitt with three perfect innings
  • Recorded four strikeouts in the eighth and ninth innings to earn the first of two saves in sweep of No. 7 Florida State
  • Hurled 2.2 perfect innings in NC State series
  • Made first career start against No. 6 Miami in final pool play game at ACC Championship, allowing two runs on two hits in no-decision


  • Earned three varsity letters in baseball from Marist School
  • Named all-region and all-state as a senior thanks to a 1.04 ERA and 71 strikeouts
  • Rated the No. 13 southpaw in Georgia and 132nd best overall prospect in Georgia by Perfect Game, as well as the No. 144 lefthanded pitcher nationally
  • Named honorable mention Southeast Region All-High School Senior by Perfect Game
  • Helped Marist to state title game as a junior
  • Played club with 643 DP, along with Irish teammate Jake Johnson
  • Was named 643 DP’s pitcher of the year in 2012
  • Earned spot on pair of all-tournament teams in 2012, including the 2012 Perfect Game Underclassmen Tournament
  • Participated in Marist School Student-AThlete Leadership Training Program
  • Also played club beach volleyball
  • Volunteered with Homeless Ministry and Christopher League


  • Born in Atlanta
  • Son of Stuart and Margaret Guenther
  • Has one sister, Megan
  • Enrolled in Mendoza College of Business as a Finance major