Tranmere sign Warrington, Obiero, Dickov and Negru

Tranmere Rovers have signed Walsall midfielder Lewis Warrington on a two-and-a-half-year deal and Leyton Orient midfielder Zech Obiero, Mansfield forward Max Dickov and Oxford defender Stephan Negru on loans until the end of the season.

Former Everton man Warrington, 23, played 20 games for the Saddlers after joining them on a two-year deal last summer.

Obiero, 21, played alongside Warrington at Orient last season and made eight appearances for the O's this campaign.

Dickov, 23, who is the son of former Scotland international Paul, has scored once in 19 appearances for the Stags, while Negru, also 23, made 10 appearances for Bristol Rovers during a loan in the first half of the season.