Lee Johnson says Ollie Younger has a chance to kick-start his career and make an immediate impact in League One following the defender's move to Doncaster Rovers.
The 22-year-old centre-back - whose contract with Sunderland was due to expire in the summer - has signed an 18-month deal with the South Yorkshire club and could make his debut for his new club at MK Dons on Saturday as basement side Rovers battle relegation.
Johnson gave Younger his league debut back in March, but the former Burnley academy man has been restricted to just five appearances in cup competitions this season although he has regularly been named on the subs' bench in the league.
