He later described the match as a "dream debut." On 16 December 2015, Tulsa Roughnecks FC announced the signing of Kaleemullah for the 2016 USL season. In an interview after the move, Kaleemullah said he "couldn't settle in California [with Sacramento]" but that he hoped his transfer would reignite hopes of a "dream move" to the MLS. On May 1, 2016, Khan scored his first goal for his club and first goal on American soil. By doing so, he became the first Pakistani football player to play in US and score there. “I finally scored a goal and this was important for me,” Kaleemullah told The Express Tribune. “I played as striker for the first time for Roughnecks and scored. Earlier, I was playing as a winger. So this has given me the confidence that I am good enough. I just want to thank everyone who supported me. My coach was very supportive; he took a chance by letting me play as a striker and I delivered a good performance,” said Kaleemullah. “He was happy for me that I started scoring. He said that this will benefit the team. He also told me that winning or losing is a part of the game and I just need to continue my game.” On 22 December 2016, the "Dawn Newspaper" in an interview with Kaleemullah reported that he has joined K-Electric on a loan deal from Tulsa Roughnecks until March 2017. On 28 July 2018 Khan signed a contract with Turkish Club Izmirspor. His signing ceremony was attended by club's President Mustafa Gürkan. However, in August 2018, Khan parted ways with izmirspor because he didn't get international clearance certificate. Khan went on to the sign a contract with a club Igdirspor which played in the same Turkish Regional Amateur League as Izmirspor did. On September 23, 2018, Khan made his debut for the club in a 4–0 win. Khan scored a goal and provided an assist in that match. On October 15, Khan scored in 68th minute against Cayelispor, it marked as Khan's 100th club career goal, making Khan the only Pakistani footballer to achieve this feat. On 8 March 2019, Khan signed a four-month contract with Iraqi Premier League club Al-Najaf FC for Rs. 5 million. On 4 May, Khan scored his first goal for his club in a 3–2 win over Al-Talaba SC.