The 27-year-old Hungary international joins the Reds on July 1 when his current contract expires.
Bogdan's arrival follows that of James Milner and Danny Ings, also both on a free transfer.
The 27-year-old Hungary international joins the Reds on July 1 when his current contract expires.
Bogdan's arrival follows that of James Milner and Danny Ings, also both on a free transfer.