Lattin and McNeace, along with 6-7 power forward Dante Buford, are expected to be in Norman this summer.
The Sooners are just getting over a disappointing 80-75 overtime loss to North Dakota State in their NCAA Tournament opener.
Buddy Hield, who struggled in that loss, has been among the group already in the gym working out.
“It’s amazing,” Kruger said. “We haven’t started individual workouts and so many have been in here every day since we lost, which is not a surprise.”
Kruger pointed to Hield and Isaiah Cousins as the two Sooners who improved the most this season, but Hield’s game still needs refining.
“Buddy became a good standstill shooter. The year before, he was much more of a slasher, much more aggressive to the offensive boards,” Kruger said. “We need to combine the two Buddy has to be more physical, more attack with his ballhandling.
“He’ll work a lot on that, working through contact, finishing through contact, getting to the free-throw line a lot more.”