(0:52)HENDERSON, Nev. -- Las Vegas Raiders safety Lonnie Johnson Jr. suffered a broken fibula during Saturday's practice at Allegiant Stadium, a source told ESPN's Jeremy Fowler. Raiders safety Lonnie Johnson Jr. suffered a broken leg and is set for further evaluation after a collision with teammate Maxx Crosby, a source told ESPN. AP Photo/John LocherThe 29-year-old Johnson signed a one-year deal with the Raiders this offseason. Las Vegas also signed veteran safety Jamal Adams, who has converted into a weakside linebacker. Johnson, a second-round pick by the Houston Texans in 2019, has played for five teams during his pro career.