Nick Bonino, F:After helping the Pittsburgh Penguins defeat Nashville in the Cup Final, Bonino signed a four-year, $16.4 million contract with the Predators on July 1. Barring any more moves, Bonino will be their No. 2 center behind Ryan Johansen. Bonino, 29, had 37 points (18 goals, 19 assists) in 80 games for the Penguins last season. … Scott Hartnell, F:The Columbus Blue Jackets bought out the final two years of his contract June 29, allowing Hartnell to sign a one-year contract with the Predators on July 1. This will be his second stint with Nashville; he played with the Predators from 2000-07 after they selected him with the No. 6 pick in the 2000 NHL Draft. Hartnell, 35, had 37 points (13 goals, 24 assists) in 78 games with the Blue Jackets last season. … Alexei Emelin, D:Already deep on defense, the Predators got even deeper when they acquired Emelin on July 1 in a trade from the Vegas Golden Knights for a third-round pick in the 2019 NHL Draft. Emelin has 72 points (14 goals, 58 assists) in 380 NHL games, all with the Montreal Canadiens.