The Kenyan international was spotted on Friday's training session, participating with the full group.
Harambee Stars attacking midfielder Eric Johana appears to be nearing a return to action after he was pictured in Muangthong United's training.
In a Facebook post on the official Muangthong account, Johana was seen training with the rest of the squad ahead of Saturday's Thai Premier League clash against Khon Kaen United.
Johana has been sidelined for the past three weeks after picking an unspecified injury that forced him to withdraw from Harambee Stars' recent friendly against Iran.
There were question marks over when Johana picked up the injury, with some believing it could date back to March 22 in their win against Police Tero.
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Johanna's availability for selection ahead of this weekend's fixture could hand his manager a major boost as Muangthong's midfield failed to impress despite their recent win against Lamphun Warrior early in the week.
The 28-year-old former Mathare United player has scored 10 goals and provided one assist in 24 appearances this season.
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Muangthong are currently seated fourth on the league table, 23 points behind runaway leaders Buriram United.
Johanna joined the Thailand top-flight side in July 2022 after leaving Belgian second-tier side SK Beveren.
He made his debut for Harambee Stars in October 2015 and has so far scored three goals in 25 appearances.