Hamburg supporters have started a petition to sign Wigan Athletic and Northern Ireland forward Will Grigg.
United States forward Bobby Wood is to join Hamburg from German second division side Union Berlin this summer.
Bayern Munich were held 1-1 at home by Borussia Moenchengladbach on Saturday as Borussia Dortmund kept the Bundesliga title race alive.
Borussia Dortmund recovered from their shock Europa League defeat to Liverpool with a 3-0 win over Hamburg in the Bundesliga.
Bayern Munich remain on course for a record-breaking fourth successive Bundesliga title with a 3-1 victory at Stuttgart.
Bayern Munich maintained their lead at the top of the Bundesliga with a hard-fought 1-0 win at home to Eintracht Frankfurt.
Borussia Dortmund kept up the pressure on Bayern Munich at the top of the Bundesliga on Sunday with a 2-0 win over Mainz.
Hannover ended an eight-game losing streak and gave their hopes of Bundesliga survival a boost with a 2-1 win at Stuttgart on Saturday.
Bayern Munich came from behind to beat Darmstadt 3-1 and move 11 points clear at the top of the Bundesliga.
Robert Lewandowski's clinical finishing steered Bayern Munich to a 3-1 win at Bavarian rivals Augsburg.
Darmstadt edged away from the Bundesliga relegation zone with a 2-0 win over struggling Hoffenheim on Sunday.
Crystal Palace are bottom of the Europe-wide form table - and only one Premier League team makes the top 10.
Hamburg are interested in signing Leicester's Gokhan Inler on loan, according to Sky Germany.
Bayern Munich pulled 11 points clear of Borussia Dortmund at the top of the Bundesliga with a 2-1 win at Hamburg.
Bayern Munich made it a record-breaking first half of the season with a 1-0 Bundesliga win over Hannover .
Ivica Olic says he is "90 per cent certain" to leave Hamburg in January due to a lack of first-team opportunities.
Bayern Munich lead the Bundesliga by 11 points after a 2-0 win over Hertha Berlin, who drop below Borussia Monchengladbach.
Borussia Dortmund missed the chance to close the gap on Bayern Munich after a 3-1 defeat at Hamburg on Friday night.
Wolfsburg slipped 13 points behind Bundesliga leaders Bayern Munich as they were beaten 2-0 at Mainz on Saturday.
Stuttgart and Hannover both picked up valuable wins to move out of the bottom three of the Bundesliga on Sunday.