Complex sentence: Adrián made his debut for the Hammers on 27 August 2013, in a 2--1 home win against Cheltenham Town for the season's League Cup: during the game he fouled Jermaine McGlashan to concede a penalty, which Matt Richards converted.
Split into simpler sentences: Adrián made his "Hammers" debut on 27 August 2013 in a 2--1 home win against Cheltenham Town for the season's League Cup. During the match, he fouled Jermaine McGlashan to concede a penalty, which Matt Richards converted.