Cline led the team with 18.3 points per game.
Richmond men's basketball coach Chris Mooney defend his title in the fourth annual Coaches Cook-Off on April 21 at 6 pm
Atkinson becomes the first former Richmond player to serve as an NBA head coach.
Richmond put together its top offensive season in decades, scoring 76.6 points per game, the highest scoring average since 1980.
Incoming freshmen Nick Sherod and De'Monte Buckingham were All-Metro First Team in Richmond.
Allen will be one of 64 college seniors to compete in front of professional scouts.
Richmond was the first school to ever pull a 15-2 upset back in 1991.
Through their Dunk Hunger promotion, Martin's will donate $1,100 to FeedMore for Spider dunks at 11 home games.
Richmond fell to top-seeded Dayton, 69-54, in the Atlantic 10 Quarterfinals on Friday in the Barclays Center.
Richmond's defense locked down in crunch time, holding Fordham to just five points in six of the last eight minutes to secure a 70-55 win over Fordham in the Atlantic 10 Second Round.
The Richmond Spiders arrived in Brooklyn ready for the squad's second-round game against Fordham on Thursday at noon on NBC Sports Network.
Richmond's frontcourt duo of T.J. Cline and Terry Allen earned All-Atlantic 10 Third Team honors, the conference announced Tuesday. Redshirt-freshman Khwan Fore was also named to the All-Rookie Team.