Complex sentence: Eckersley made a quick impression for the Lambs, with 2 goals during the pre-season of 2013--14, in friendlies against Premier League sides Aston Villa and Stoke City.
Split into simpler sentences: Eckersley made a quick impression for the Lambs, with 2 goals during the pre-season of 2013/2014. He scored goals in the friendlies against Premier League sides Aston Villa & Stoke City.