The most recent scorer on his debut was Samir Nasri, 228 seconds into the game against West Brom. Marouane Chamakh also scored on his home debut against Blackpool
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Wilt Chamberlain scored 43 pts in his NBA debut.
For English Premier league, Fernando Torres scored the most goals in his debut season with 24 League goals 2007-08 season
Gervinho henry adebayor gilberto silva reyes
There are a few, but Jermaine Pennant is the only player to score a hat trick on his debut.
Papiss Demba Cisse scored in his debut for Newcastle against Aston Villa. That precisely was his first match for Newcastle and after the 2012 African Cup of Nations.
Djibril Cisse scored on his debut for Liverpool (v Tottenham), Sunderland (also v Tottenham) and QPR (v Aston Villa) in the Premier League.
He scored 183 in his debut series but scored 148 after that.