Usman Shinwari, another left-arm fast bowler from Pakistan, made a significant rise, gaining 28 slots to reach 43rd position after finishing with six wickets in the series, including a five-wicket haul that won him the player of the match award in the second ODI.
The first ODI was rained off without a ball being bowled on Friday at the same venue.
Earlier, recharged opener Danushka Gunathilaka scored a career best century to lift Sri Lanka to a challenging 297-9.
Skipper Sarfaraz (22) and Sohail then held fort to forge a 55-run fourth wicket stand before the skipper chopped a Lahiru Kumara delivery on to his stumps.
Thirimanne hit four boundaries off 54 balls while Bhanuka had two sixes in his 39-ball knock.
He was finally dismissed in the 45th over, bowled by paceman Mohammad Amir who was the best Pakistani bowler with 3-50. However, during Pakistan's third ODI win, Pakistan's ICC Champions Trophy winning captain, Sarfaraz Ahmed scripted history.
Shehzad, Akmal and Ashraf have been roped in to replace Abid Ali, Mohammad Rizwan and Imam-ul-Haq in the national squad.
The real positives in the opening encounter in now what is tragically reduced to a two-game rubber were Jayasuriya - who also was quite impressive with his assortment of off-spinners as his final analysis of 0-48 after starting the first ODI here in Karachi following a long-drawn-out 3904 days isolation of this format with the solitary maiden over of the Pakistan innings - Shanaka and promising leg-spinning all-rounder Wanindu Hasaranga.
Former India captain MS Dhoni tops the list as he led the Men in Blue in 200 ODIs where he won 110 matches, lost 74 and five matches ended in a tie.
The ban was further extended by six weeks after Shehzad violated rules by playing club matches despite the ban.