Lukas Podolski has struggled to impress since joining Inter Milan . The 29-year-old has failed to score since signing on loan from Arsenal . The Fiorentina international was booed by supporters after being substituted in Sunday 's defeat against Fiorentina . Inter boss Roberto Mancini says Podolski needs to raise his game .
Lukas Podolski has struggled to impress since joining Inter Milan . The 29-year-old has failed to score since signing on loan from Arsenal . The Germany international was booed by supporters after being substituted in Sunday 's defeat against Fiorentina . Inter boss Roberto Mancini says Podolski needs to raise his game .