J.D.  Nielsen
J.D. Nielsen


Winterset, Iowa

High School:
Martensdale-St. Marys

Height / Weight:
6-6 / 225





2015 @IlliniBaseball Season Preview: Bullpen

Jay Headlines Impressive Group of Illini Relievers


Illinois Begins Trip with 10-4 Win over Dominican Air Force

McInerney Belts 3-Run Homer as Part of 6-Run Fourth Inning


Fletcher's Walk-Off Wraps Up Sweep of Spartans, 10-9

Junior Drills Second Consecutive Game-Winning Hit to Complete Comeback Victory


Illini Battle Back Again at Penn State, 8-3

Top of the Order Tallies Three Two-Out, Two-Run Singles


Illini Down ISU 6-1 for Fourth Straight Win

Goldstein Goes 4-for-4 with 3 RBI; Nielsen Earns First Career Victory


Illinois vs. Rutgers - Honor and Serve Day (May 10, 2015)

Photos from the 28-13 Illini win over Rutgers


2013 Illinois Baseball Cards

2013 Illinois Baseball Cards


2015 - Junior: Game-by-Game Stats

2014 - Sophomore: Made 14 appearances out of the bullpen and went 1-0 with a 7.43 ERA ... Did not allow a run in 10 of 14 appearances ... Registered 10 strikeouts and two walks in 13.1 innings pitched ... Earned first career victory following two scoreless innings of relief as part of a staff day vs. Illinois State (3/26) ... Turned in a scoreless inning against Purdue (3/28), vs. Missouri (4/23) at Busch Stadium and vs. Indiana (4/27) ... Recorded an out on only batter faced at Southern Illinois (3/15) ... Threw a scoreless inning with a strikeout vs. FGCU (3/1) and Indiana State (3/18) ... Faced one batter at Georgia State (2/16) and recorded an out ... Played for the Kenosha Kingfish of the Northwoods League along with Illini teammate Zack Kolakowski during the summer. | Game-by-Game Stats

2013 - Freshman: Pitched in 12 games with 11 appearances out of the bullpen and one start, totaling a 5.59 ERA, eight strikeouts and seven walks in 9.2 innings ... Turned in best outing with two scoreless innings and three strikeouts at Illinois State (4/16) ... Made first career start vs. Southern Illinois (4/30), receiving a no decision after three innings and two earned runs ... Thew a perfect inning of relief with a strikeout at Ohio State (4/19) ... Pitched 0.2 scoreless and hitless innings at Baylor (3/8) ... Made Illini debut in the season-opening victory at Tennessee Tech (2/15) ... Played for the Lake Eerie Monarchs of the Great Lakes League during the summer. | Game-by-Game Stats


Threw a no-hitter in the Class 1A state title game, only the fourth in Iowa state finals history, to lead Martensdale-St. Marys to its third-straight state title ... Went 8-3 in 2012 ... Named to the 2012 IHSBCA All-State Super Team and also was a first-team Pride of Iowa Conference selection ... Went 9-0 with a 1.43 ERA while striking out 72 and walking 19 in 53 2/3 innings in 2011 ... Led Martensdale-St. Marys to its second-straight Iowa Class 1A championship in 2011, extending its winning streak to a national-record 87 games ... Held opponents to a .146 batting average in 2011 ... Also hit .425, third-best on the team, with 10 home runs, eight doubles, and a team-best 62 RBIs ... Named to the Iowa High School Baseball Coaches Association All-State second team in 2011 ... Named to the IHSBCA All-Southwest District first team ... Named first-team All-Pride of Iowa Conference in 2011.


Born Oct. 9, 1993 ... Parents are Dan and Lonna Nielsen ... Majoring in recreation, sport and tourism with a concentration in sport management ... Has three sisters, Jaclyn, Jenna and JoAnn ... Father, Dan, played football at Waldorf College and Drake University, and mother, Lonna, played basketball at Waldorf ... Favorite athlete is Jeremy Hellickson ... Earliest baseball memory is playing USSSA baseball since he was nine years old ... His father most influenced his athletic career because he pushed him to be the best he can be and has been to nearly all of his games.

Updated February 2015