 Always on the fringes of the first team, mainly due to the Keegan/Toshack partnership supported by Steve Heighway, and the emergence of youngster David Fairclough, Boersma failed to make an impact on the 1975/76 season for the Anfield club and Bob Paisley allowed him to leave Liverpool in December 1975.He left for Teesside joining Middlesbrough for £72,000 where he played generally as a midfielder, he made his debut for Middlesbrough on 6 December '75 in a 0–0 draw at Ayresome Park with Manchester United.During his short 2-year spell at Boro he played 47 league games scoring 3 times.