2006-07: 44 games with the Kootenay Ice (WHL) resulted in a goal and 16 points for John Negrin. His 57 penalty minutes were another personal best. He suited up for Team Canada U18 this season, registering an assist at the WJC-18.
2007-08: The Kootenay Ice (WHL) defenseman tallied a goal and 42 points, his highest total to date, in his third season with the club. He also racked up 68 minutes in the penalty box, another career high.
2008-09: Negrin moved all around the North American hockey circuit this season, appearing in games with three different teams. In 38 games with the Kootenay Ice, the D-man tallied five goals and 31 points. He racked up another 18 points (3g+15a) in 25 games with Swift Current. He was nominated to the WHL East All-Star second Team for his efforts. Moving away from WHL hockey, he suited up for three games with the Calgary Flames, registering an assist in his first look at NHL hockey.
2009-10: Negrin had a good start to his rookie AHL season with the Abbottsford Heat when his injury troubles began in January 2010. He was preparing to return to the Heat's line-up after suffering a broken wrist when his left knee started to give him problems. It was discovered that a misdiagnosed knee injury back in November which Negrin had played through, was actually a fractured kneecap. The ensuing knee surgery effective ended his rookie year in which he was able to score five goals along with ten assists and had an even rating in only 45 AHL games.
2010-11: Negrin's rehab from knee surgery severely reduced his training over the summer but he was ready for the start of his sophomore season with Abbottsford. The injury plagued 22-year-old was sidelined for most of the season after having surgery again on October 10, to remove a screw and bone fragments from the injured left knee. The puck moving defenseman would return late in the season, collecting only six assists and a minus two rating in 24 AHL games but missed the chance of a full season to show the Flames his potential as an NHL defenseman.
2011-12: Negrin began the season with Utah in the ECHL before being recalled by Flames AHL affiliate Abbotsford in November. He was traded to the Jets organization in exchange for Akim Aliu at the end of January and finished the season with St. John's. In 40 AHL games he had 4 assists and was minus-four with 18 penalty minutes. St. John's went to the Eastern Conference finals after finishing first in the Atlantic Division but Negrin did not play in any playoff games. He scored 1 goal with 5 assists in nine ECHL games with Utah. Negrin was not tendered a qualifying offer and signed an AHL contract with the Chicago Wolves in August, 2012.
Negrin was not tendered a qualifying offer in June and is currently in ECHL with Kalamazoo.