Chelsea dealt new injury worry as Xabi Alonso forced into late change with transfer talks scheduled

Mamadou Sarr has suffered an injury setback, potentially affecting Chelsea’s transfer plans in the process.Prior to kick-off at Sultan Ibrahim Stadium, it was revealed - without much of an explanation - that Sarr had been replaced in the starting XI by youngster Olutayo Subuloye.There is yet to be an update on the 20-year-old, though Chelsea did issue a statement at the time the late change was announced."There has been a late change to the Chelsea starting XI against Johor Darul Ta'zim, with Olutayo Subuloye coming into the defence in place of Mamadou Sarr," the statement read."Sarr was initially included in the Blues' back line, but has now been replaced by Academy centre-back Subuloye."While the Blues had not ruled out keeping Sarr at the club for next season, Alonso was expected to hold talks with the former Strasbourg captain to determine his future.Following Sarr’s withdrawal against JDT, a decision on his future will remain up in air until the severity of his knock is confirmed.Mamadou Sarr did not feature for Chelsea against Johor Darul Ta'zimGettyChelsea suffered a second injury scare when Aaron Anselmino was forced off just before the half hour mark, while it was revealed after the game that Trevoh Chalobah had completed a move to Como in a deal worth €30million (£25.7m) plus up to €6m (£5.1m) in add-ons.Read MoreA statement reads: “Trevoh Chalobah has completed a permanent transfer to Como, bringing his time as a Chelsea player to an end after nearly two decades with the Blues.“Everyone at Chelsea would like to thank Trev for his years of loyal service and wish him the very best in his next chapter in Italy.”