Cheltenham Town have announced the double signing of defender Paul Black and midfielder Andy Haworth.
Carlisle have completed the signing Mansfield defender Paul Black on a month-long loan deal.
Tranmere have offered new contracts to five players, with the same number told they can leave Prenton Park.
Paul Black believes Tranmere can be the surprise package in League One this season, with the play-offs a realistic ambition.
Tranmere have sealed a one-year deal after signing defender Paul Black, who has expressed his delight at joining the League One club.
Paul Black will leave Oldham at the end of the season after the club decided against offering him a new contract.
Paul Black is hoping to make further progress next season after signing a new one-year deal at Oldham.
Oldham defender Paul Black gave manager Paul Dickov an injury scare during Monday's goalless draw with Tranmere.
Oldham Athletic youngster Paul Black has been rewarded with a one-year extension to his contract.
Oldham have confirmed that young defender Paul Black has not broken his ankle.