"It was more than I expected," he told BillikenReport.com. "I really thought it was amazing. The coaching staff and players were great."
Yarbrough is known as a scoring guard and would fit in well with the Bills' rebuilding class of 2014.
"They told me I could come in and contribute and it's cool that there would be so many guys my age there," he said.
With a clear timetable in sight, a decision is coming quickly down the pipeline.
"I am for sure deciding by the end of April," he said. "I would say right now Bradley and Saint Louis are the leaders."
The six-foot-five Yarbrough has flirted at times with plenty of BCS schools, but academic eligibility has been a question. Yarbrough told BillikenReport.com that he has now qualified.
SLU already has several signees in the fold: Miles Reynolds, Austin Gillmann, Marcus Bartley, Davell Roby, and Brett Jolly.
With five senior starters gone from 2013-14, the infusion of youth will be critical for sustained success in the Atlantic 10.
Here is some video of Yarbrough from Scout.com's Beth Long.