Kenyan right winger Silko Thomas Amari Otieno is knocking on Chelsea’s first team squad as he trained with the senior side ahead of the clash against Manchester United on Saturday.The 18-year-old turns out for the Chelsea Under 21 squad and has season made three full appearances in the UEFA Youth League for the Blues this season.Kenyan midfielder features for Chelsea in UEFA Youth LeagueOtieno was promoted from the Chelsea Under 18 squad to the Under 21’s at the start of the season following impressive performances in the junior side.Chelsea held their training on Thursday a day after their barren stalemate with Brentford with a majority of those involved in the clash given a day off.##NAJAVA_MECA_6745602##This handed an opportunity for fringe players and a few selected academy players to impress the relatively new head coach Graham Potter.The first team players spent the day in the gym for recovery sessions with only Pierre-Emerick Aubameyang who only featured in the last 10 minutes taking to the field.Kenyan teenager scores brace for ChelseaMoroccan international Hakim Ziyech, who was an unused sub in midweek, and Ben Chilwell, who was left out of the squad were the few first team players who trained on Thursday.Otieno was joined by another one of the academy players, Leo Castledine who is described as a box-to-box who likes to create and score goals and is very tenacious in the tackle.