On March 3, 2015, the Giants placed the [[franchise tag]] on Pierre-Paul. Reports indicated that the tag was non-exclusive, which meant that Pierre-Paul could negotiate with other teams, and the Giants had the right to match any offer or receive two first-round picks as compensation.<ref>{{Cite web |date=March 2, 2015 |title=Jason Pierre-Paul gets New York Giants' franchise tag |url=https://www.nfl.com/news/jason-pierre-paul-gets-new-york-giants-franchise-tag-0ap3000000475805 |access-date=March 3, 2015 |website=[[NFL.com]]}}</ref> On July 4, 2015, Pierre-Paul sustained a serious hand injury in a fireworks accident at his home after detonating a firework in his hand, losing a significant portion of his fingerfingers. Four days later he had his right index finger amputated.<ref>{{Cite web |last=Gantt |first=Darin |date=July 5, 2015 |title=Report: Jason Pierre-Paul injured in fireworks accident |url=https://profootballtalk.nbcsports.com/2015/07/05/report-jason-pierre-paul-injured-in-fireworks-accident/ |access-date=March 15, 2021 |website=ProFootballTalk |language=en-US}}</ref><ref>{{Cite web |date=July 8, 2015 |title=Jason Pierre-Paul has finger amputated, expected to play in '15 |url=http://espn.go.com/new-york/nfl/story/_/id/13223902/new-york-giants-jason-pierre-paul-right-index-finger-amputated |access-date=July 10, 2015 |website=[[ESPN.com]]}}</ref> He signed a one-year deal with the team on October 27.<ref>{{Cite web |last=Rosenthal |first=Gregg |date=October 27, 2015 |title=Jason Pierre-Paul signs one-year deal with Giants |url=https://www.nfl.com/news/jason-pierre-paul-signs-one-year-deal-with-giants-0ap3000000566912 |access-date=November 7, 2015 |website=NFL.com}}</ref> He was placed on the Giants' active roster on November 7.<ref>{{Cite web |last=Patra |first=Kevin |date=November 7, 2015 |title=Giants activate Jason Pierre-Paul; Jon Beason to IR |url=http://www.nfl.com/news/story/0ap3000000574686/article/giants-activate-jason-pierrepaul-jon-beason-to-ir |archive-url=https://web.archive.org/web/20151108225710/http://www.nfl.com/news/story/0ap3000000574686/article/giants-activate-jason-pierrepaul-jon-beason-to-ir |url-status=dead |archive-date=November 8, 2015 |access-date=November 7, 2015 |website=NFL.com}}</ref> Pierre-Paul lost substantial weight in the hospital following the injury and had to play the season with a "monstrous padded club" on his injured hand, both of which adversely affected his play.<ref>{{Cite magazine |last=Buckland |first=Jason |date=April 12, 2016 |title=Pierre-Paul opens up about his fireworks accident |url=https://www.si.com/nfl/2016/04/12/jason-pierre-paul-giants-fireworks-destroyed-hand-exclusive |access-date=July 5, 2018 |magazine=[[Sports Illustrated]] |language=en}}</ref>