Olonilua was released from Walker County Jail after posting $4,000 bond.
Turpin faces two years of probation stemming from last year's assault against his girlfriend.
Collier is Gary Patterson's fifth first-round pick.
The complexity of the Horned Frogs' defense allows players like Ty Summers and Ben Banogu to enter the NFL more prepared than other rookies.
Turpin's trial date is still to be determined.
The defensive end has come a long way from his hometown of 1,300 people to football's biggest stage.
Jaelen Austin hopes his play time is far from over as he trains for TCU’s Pro Day next week.
TCU football heads into spring practice with an inexperienced group at defensive end.
The head coach also provided an update on former wide receiver KaVontae Turpin.
Last fall's heavy rainfall has caused a month-long delay on the Amon G. Carter stadium construction project.