[3] He is Jewish, and attended Hebrew school and had a bar mitzvah at Congregation Beth-Am in Buffalo Grove, Illinois.

[4][5] Borenstein's younger sister, Katie, died at age 20 from a blood clot in her pulmonary artery on January 25, 2014.

[9] For college, Borenstein attended Eastern Illinois University, where he majored in Kinesiology and Sports Studies.

[1] As a freshman playing for the Eastern Illinois Panthers in 2009 he had a .503 on base percentage, the best in the Ohio Valley Conference (OVC) and the 20th-best OBP in the nation, while batting .394.

[13][11] He made his professional debut at the age of 20 with the AZL Angels of the Rookie Arizona League, hitting .274/.397/.451 with two home runs in 113 at bats over 31 games, with 12 steals in 13 attempts.

[7] In 2013, he played for the Inland Empire 66ers of the Class A+ California League, hitting .337/.403/.631 with 28 home runs and 95 RBIs over 407 at bats in 112 games.

[17] On July 5, 2014, Borenstein was traded with fellow prospect Joey Krehbiel to the Arizona Diamondbacks in exchange for Joe Thatcher and Tony Campana.

[22] On November 22, 2017, Borenstein signed a minor league contract with an invitation to spring training with the New York Mets.

On May 19, 2019, Borenstein signed with the Sugar Land Skeeters of the independent Atlantic League of Professional Baseball.

[35] During the opening game of the qualifier, he played right field and led off for Israel, going 2-for-5 while scoring a run and picking up an RBI.

[37] During the third and final game, Borenstein went 2-for-4 including a triple, with 1 walk, while scoring 2 runs and picking up a RBI, in addition to committing Israel's only error of the qualifier.

[38] He was the starting right fielder for Team Israel at the 2017 World Baseball Classic main tournament, in March 2017.