Sims graduated Friday with a degree in journalism.
Michigan State is coming off an improbable Elite Eight run, while Florida missed the tournament last season.
Lippett played offense, defense and special teams in the Cotton Bowl last season to cap his college career.
The 6-foot, 208-pounder ran for 1,522 yards on 276 carries with 22 touchdowns last season after rushing for 1,422 and 18 touchdowns in 2013.
A consensus top 100 recruit from Saginaw (Mich.) High, Arnett had 24 receptions for 242 yards and two touchdowns as a freshman at Tennessee.
Coach Tom Izzo says the trip will be an “excellent early measuring stick” for the team and a good bonding experience.
The Spartans along with Nike announced on Thursday a new set of uniforms, including a brand new alternate uniform called the Nike Mach Speed.
Fort Wayne Homestead’s Caleb Swanigan is one of eight players averaging more than 20 points to make this year’s IndyStar Indiana All-Star team.
The Big Ten’s reputation as an underachieving football conference is so 2014.
Michigan State says Matt Costello should be able to resume full basketball activity in a few weeks after undergoing knee surgery.