Feldeine played basketball at Cardinal Hayes High School, before moving to Quinnipiac University. In his high school career, Feldeine was nominated to play in the McDonald's All-American Game, was twice named to the All-Bronx Burroughs First-Team, was named to the All-New York City Second-Team, and he was also named to the All-New York State Second-Team.
College career
Feldeine played college basketball at Quinnipiac University, with the Quinnipiac Bobcats. In his junior college season, during the 2008–09 season, Feldeine was named the NEC's Most Improved Player, and was also selected to the All-NEC First-Team, after being the Northeast Conference's top scorer. During his junior year, he was also twice selected as the NECPlayer of the Week, and he was also selected to the NABC's All-District 18 Second-Team. During his senior college season, in 2009–10, Feldeine was selected to both the All-NEC First-Team, and the NABC All-District 18 First-Team.
Professional career
Breogán (2010–2012)
Feldeine started his pro career in 2010 in Spain, with the Spanish club CB Breogán, where he played for two seasons, becoming one of the top scorers of the LEB Oro.
Fuenlabrada (2012–2014)
In May 2012, Feldeine signed with the 1st-tierSpanish ACB League team Mad-Croc Fuenlabrada, on a contract through 2015. On January 19, 2013, Feldeine recorded a season-high 37 points, shooting 7-of-10 from 3-point range, along with four rebounds and five assists in a 72–69 win over Valencia.
On August 18, 2015, Feldeine signed a one-year deal to play in Greece with Panathinaikos of the Greek League and the EuroLeague. In February 2016, he extended his contract through 2018.
On August 2, 2017, Feldeine signed a two-year deal with the Serbian club Crvena zvezda. He played there only for the 2017–18 season.
Hapoel Jerusalem (2018–present)
On August 11, 2018, Feldeine signed with the Israeli team Hapoel Jerusalem for the 2018–19 season. On November 7, 2018, Feldeine recorded a season-high 35 points, shooting 9-of-12 from 3-point range, along with five rebounds and four assists in an 88–64 win over ČEZ Nymburk. Two days later, he was named Champions League Gameday 5 MVP. On November 24, 2018, Feldeine recorded 28 points, including a three-pointer at the buzzer to give Jerusalem an 89–88 win over Hapoel Be'er Sheva. He was subsequently named Israeli League Round 8 MVP. On May 3, 2019, Feldeine was named Israeli League Player of the Month after averaging 23.8 points and 4.0 assists, shooting 57 percent from three-point range, along with 26.3 PIR per game in four games played in April. On January 14, 2019, Feldeine signed a two-year contract extension with Hapoel Jerusalem. On December 7, 2019, Feldeine recorded a career-high 41 points in 29 minutes, while shooting 14-of-20 from the field in a 88–73 win over Hapoel Gilboa Galil. Three days later, he was named Israeli League Round 9 MVP.
