[5] The following day, Motherwell announced the signing of fellow striker Kaiyne Woolery on a three-year contract from Tranmere Rovers.

[8] Three days later, 8 July, Motherwell announced that Trevor Carson had left the club to sign for Dundee United.

[13] On 26 August, Motherwell announced the signing of Sean Goss to a two-year contract after he'd left Shrewsbury Town earlier in the summer.

[14] On 31 August, Transfer deadline day, Motherwell announced the signing of Sondre Johansen to a three-year contract, from Mjøndalen,[15] and the return of Jordan Roberts on loan from Heart of Midlothian until January 2022.

[21] On 1 December, Motherwell announced the signing of Ross Tierney on a three-and-a-half-year deal, for an undisclosed fee from Bohemians.

[27] On 14 January, Motherwell announced the permanent signing of Jordan Roberts from Heart of Midlothian on a contract until the end of the season.

[28] On 17 January, Motherwell announced that Tony Watt had left the club to sign for Dundee United for an undisclosed amount.

[30] On 28 January, Darragh O'Connor was loaned to Queen of the South for the remainder of the season,[31] and Joseph Efford joined the club for an undisclosed fee from Waasland-Beveren on a contract until the summer of 2023.