Kieran Tierney is a future Arsenal captain – but prays he doesn’t haunt him on Sunday.The Leicester boss got the best out of the full-back at Celtic and watched as he tied up a £25million move to the Gunners.Tierney, 23, has been one of the bright sparks in Mikel Arteta’s stuttering campaign and even went toe-to-toe with David Luiz during a training ground spat.Rodgers said: “Kieran is frightened of no one.