Ben Alnwick has revealed he was on the verge of a move to Blackpool before performing a U-turn to join Peterborough.
Manager Darren Ferguson has hailed the double signing Peterborough made on Friday.
Peterborough defeated SC Freamunde 4-2 on Wednesday evening as part of their pre-season preparations in Portugal.
Coventry have signed Danny Swanson on a two-year contract after the midfielder turned down the offer of a new deal at Peterborough.
League One's Milton Keynes Dons face AFC Wimbledon of League Two in the pick of the first round Capital One Cup draw.
Peterborough have completed the signing Shrewsbury winger Jon Taylor for an undisclosed fee.
Peterborough defender Mark Little is set to leave the club after turning down a new contract offer.
Peterborough United manager Darren Ferguson has signed a new three-year contract with the League One club.