Borussia Dortmund forward Robert Lewandowski has been banned for three matches after his sending-off in Saturday's Bundesliga match against Hamburg SV.
"We believe this penalty is excessive and we want a hearing," Dortmund sporting director Michael Zorc told the club's website on Tuesday.
Pole Lewandowski, joint top scorer in the league with 14 goals, was given a straight red card in the 31st minute for a wild kick at Per Skjelbred.
Lewandowski had put the home side ahead in the 17th minute but Hamburg went on to win 4-1 to leave second-placed Dortmund, champions for the last two seasons, 15 points adrift of leaders Bayern Munich.
Borussia Dortmund's Mario Gotze ruled out of Champions League final against Bayern Munich
Malaga coach Manuel Pellegrini will leave the La Liga club at the end of the current season
Stoke City and manager Tony Pulis part company by mutual agreement after seven years
Andy Carroll pulls out of England's friendly internationals against Ireland and Brazil
Ten years on, the legends speak to FFT
Your questions answered by an A to Z of legends
He's here, he's there, he's...
The cost of Premier League away travel
Nike CR7 IX for you
FourFourTwo is brought to you by Haymarket Consumer Media & FourFourTwo is part of Haymarket Sport
| International Licensing | © Haymarket Media Group 2010