Complex sentence: He was a prolific goalscorer for B Team, scoring 40 goals in 72 appearances but he was unable to break into the first team and was sold to German Bundesliga side 1899 Hoffenheim in August 2012, being loaned out to Eintracht Frankfurt in 2013--14.
Split into simpler sentences: He was a prolific goalscorer for B Team, scoring 40 goals in 72 appearances but he was unable to break into the first team and was sold to German Bundesliga side 1899 Hoffenheim in August 2012. He spent the 2012--13 season with Hoffenheim and was loaned out to Eintracht Frankfurt in 2013--14.