2013–14 season in a 5–1 win against FC Halifax Town. With the majority of his appearances for Cambridge United coming as a substitute, he moved on loan to Conference Premier rivals Lincoln City on 2 January 2014. He scored his first goal for Lincoln in only his second appearance on 7 January 2014 in a 4–1 home win over Alfreton Town. He returned to Cambridge United, scoring in his first game back at the club in a comprehensive 5–1 victory over Kidderminster Harriers on 1 March 2014. He is considered a cult hero at Cambridge after helping the club to the Conference Premier play-offs by scoring twice in a 2–0 second leg win over FC Halifax Town that secured a 2–1 aggregate win and a place in the final at Wembley Stadium. He started in Cambridge United's play-off final 2–1 win over Gateshead in front of 19,613 supporters at Wembley which earned the club a place back in the Football League. He remained with Cambridge United following promotion for the start of the 2014–15 season, and made his Football League debut on 9 August 2014 as a substitute in a 1–0 home win over Plymouth Argyle. Three days later he appeared in a League Cup defeat against Birmingham City on 12 August 2014 as a substitute, replacing fellow striker Adam Cunnington at half time in a match that went to extra time. In September 2014, he returned to the Conference Premier, rejoining Lincoln City for a second loan spell despite reported interest from Grimsby Town. He made his second debut for Lincoln in a 3–1 away loss against his former club, Woking, on 6 September 2014. Lincoln City In January 2015, Sam-Yorke made his loan spell a permanent one with a full-time move to Lincoln City on a free transfer. He went on to score a goal in a 2–1 away win over Dover Athletic on 7 March 2015. Meanwhile, he was also sent off in stoppage time in a 2–0 home loss against Welling United on 14 March 2015. At the end of the 2014–15 season he was one of a number of players released by the club. Forest Green Rovers On 15 May 2015, he joined Forest Green Rovers, moving to The New Lawn on a one-year contract. He made his debut for the club on 8 August 2016 as a second-half substitute in a 1–0 away win