2003–04 Mersin İdmanyurdu season took over the management of the team. Ufuk Talay was the most appeared player (33), while top goalscorer was Taner Demirbaş (15). In 2003–04 season Mersin idmanyurdu has participated in Second League Category A (the league has been played under the name of "Second League Category A" between 2001–02 and 2005–06; "TFF League A" in 2006–07; and "TFF First League" since 2007–08. Also sponsor names have been included in various seasons.). 18 teams attended in the league. Winners, runners-up and play-off winners were directly promoted to 2004–05 Süper Lig. Bottom three teams were relegated to 2003–04 TFF Second League. Mersin
2003–04 DEL season 2003–04 DEL season The 2003–04 Deutsche Eishockey Liga season was the 10th season since the founding of the Deutsche Eishockey Liga (). The Frankfurt Lions became German Champions, and the Wölfe Freiburg () were relegated back to the 2. Bundesliga after a single season. A visible change for the fans was the league corporate sponsorship by the German Yellow Pages () who signed a 3-year agreement, later extended ending 2009. The regular season start was on September 4, 2003. The first 8 teams qualified for the playoffs, the last two are to go into playdowns, to determine which team will