O'Donnell and Shields gave the Lilywhites the platform to attack aggressively .
They also offered invaluable protection to their back four with their tenacious courting of Legia 's technically erudite centre - field threesome .
O'Donnell and Shields gave the Lilywhites the platform to attack aggressively , while they also offered invaluable protection to their back four with their tenacious courting of Legia 's technically erudite centre - field threesome .