 He was a prominent figure during Liverpool's run to the 1973 UEFA Cup Final against Borussia Mönchengladbach, bagging 4 goals on the way, Boersma gained a medal although he was a non-playing sub during the first leg at Anfield; he did, however, see 13 minutes of action in the 2nd leg when he came on for Steve Heighway.The Reds also won the First Division title that season, with Boersma contributing 7 goals from 14 appearances, enough to earn him a medal.In 1973/74 he featured in 22 of Liverpool's games scoring 4 times, including 5 appearances and 1 goal during the FA Cup run which took the Merseysiders to Wembley.