Santini, 28, spent time with both the St. Louis Blues and Springfield Thunderbirds (AHL) last season, appearing in five NHL contests and collecting 10 points (2-8=10) with 32 PIM and a plus-8 rating in 64 AHL games. A second-round selection (42nd overall) by the New Jersey Devils in the 2013 NHL Draft, the 6-2, 209-pound blueliner has registered 23 points (5-18=23) and 57 PIM in 123 NHL contests with St. Louis, Nashville and New Jersey. In 239 AHL games, he has posted 50 points (10-40=50), 142 PIM and a plus-37 rating with Springfield, Utica Comets, Milwaukee Admirals and Albany/Binghamton Devils.
Prior to turning pro, Santini spent three years with Boston College (H-East), appearing in 98 NCAA games and collecting 35 points (5-30=35) with 122 PIM and a plus-48 rating. Internationally, the Bronxville, N.Y. native has represented the United States on three occasions, including one IIHF World Championship (2016), one IIHF World Junior Championship (2014), and one IIHF Under-18 Men's World Championship (2013 - silver) and earned Best Defenseman tournament honors in 2013. In 22 appearances, he has scored one goal (1-0=1).