West Ham and Werder Bremen are weighing up a move for Leyton Orient striker Dom Ballard.The 21-year-old scored 23 goals in League One last season for Orient and is also attracting interest from Championship sides Swansea City and Bristol City.Werder Bremen have also watched him this season and are considering luring him to Germany but the prospect of West Ham is understood to be particularly appealing.Ballard, an England U20 international, came through the academy at Southampton.He had three spells out on loan before Saints cashed in last summer and he signed for Orient on deadline day. Southampton also have a sell-on clause. Dan Ballard won a host of individual awards for his stellar displays for Orient last seasonBallard joined Orient on a three-year contract with an option of a fourth for an undisclosed fee and enjoyed a productive campaign.He was named EFL League One Player of the Month for January having scored five goals in six matches, including a perfect hat-trick against former loan club Reading.He was named in the League One Team of the Season and won Player of the Season and Young Player of the Season.Orient hope to make a considerable profit on their outlay from last summer.