Complex sentence: He made his debut for Ajax in the Eredivisie on 24 October 2010, coming on as a second half substitute for the injured Stekelenburg helping his team to a 2--2 draw with Excelsior by making three saves in the closing minutes.
Split into simpler sentences: He made his debut for Ajax in the Eredivisie on 24 October 2010, coming on as a second half substitute for the injured Stekelenburg. In this match he helped his team to a 2--2 draw with Excelsior by making three saves in the closing minutes.