Real Madrid have reportedly sounded out Jose Mourinho about returning to the Santiago Bernabeu.
Ronald Koeman has taken Netherlands to the brink of Euro 2020 qualification after four straight wins and Oranje hope to keep hold of him.
Virgil van Dijk said Netherlands were below their best against Belarus, despite a 2-1 win in Minsk to close in on Euro 2020 qualification.
Georginio Wijnaldum came to Netherlands' rescue as their strikers misfired in Minsk, with his double sinking Belarus.
Northern Ireland's goal came thanks to a Matthijs de Ligt error, but Ronald Koeman defended the centre-back ahead of facing Belarus.
Netherlands moved top of Group C with a comeback win over Northern Ireland on Thursday but will be without Memphis Depay against Belarus.
Netherlands scored three late goals to overcome Northern Ireland, whose tactics left Ronald Koeman unimpressed.
Netherlands can go joint-top of Euro 2020 qualifying Group C by beating Northern Ireland, but Ronald Koeman foresees a tough contest.
Justin Kluivert is the one addition to Ronald Koeman's Netherlands squad for October's Euro 2020 qualifiers.
Netherlands rattled in four second-half goals against Germany, leaving Ronald Koeman impressed with their mental fortitude.