Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
FC Schalke 04 (esports)
Table title:
Former
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > ID </th><th colspan=1 rowspan=1 > Name </th><th colspan=1 rowspan=1 > Role </th><th colspan=1 rowspan=1 > Joined </th><th colspan=1 rowspan=1 > Left </th></tr>
<tr> <td colspan=1 rowspan=1 > Vizicsacsi </td><td colspan=1 rowspan=1 > Kiss Tamás </td><td colspan=1 rowspan=1 > Top Laner </td><td colspan=1 rowspan=1 > 21 November 2017 </td><td colspan=1 rowspan=1 > 23 November 2018 </td></tr>
<tr> <td colspan=1 rowspan=1 > Nukeduck </td><td colspan=1 rowspan=1 > Erlend Våtevik Holm </td><td colspan=1 rowspan=1 > Mid Laner </td><td colspan=1 rowspan=1 > 21 November 2017 </td><td colspan=1 rowspan=1 > 20 November 2018 </td></tr>
<tr> <td colspan=1 rowspan=1 > Vander </td><td colspan=1 rowspan=1 > Oskar Bogdan </td><td colspan=1 rowspan=1 > Support </td><td colspan=1 rowspan=1 > 21 November 2017 </td><td colspan=1 rowspan=1 > 20 November 2018 </td></tr>
<tr> <td colspan=1 rowspan=1 > Amazing </td><td colspan=1 rowspan=1 > Maurice Stückenschneider </td><td colspan=1 rowspan=1 > Jungler </td><td colspan=1 rowspan=1 > 31 May 2018 </td><td colspan=1 rowspan=1 > 19 November 2018 </td></tr>
<tr> <td colspan=1 rowspan=1 > Pride </td><td colspan=1 rowspan=1 > Milo Wehnes </td><td colspan=1 rowspan=1 > Jungler (sub.) </td><td colspan=1 rowspan=1 > 21 November 2017 </td><td colspan=1 rowspan=1 > 19 November 2018 </td></tr>
<tr> <td colspan=1 rowspan=1 > SmittyJ </td><td colspan=1 rowspan=1 > Lennart Warkus </td><td colspan=1 rowspan=1 > Top Laner </td><td colspan=1 rowspan=1 > 13 January 2017 </td><td colspan=1 rowspan=1 > 30 September 2017 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Memento </td><td colspan=1 rowspan=1 > Jonas Elmarghichi </td><td class="highlighted"  colspan=1 rowspan=1 > Jungler </td><td class="highlighted"  colspan=1 rowspan=1 > 22 May 2017 </td><td colspan=1 rowspan=1 > 30 September 2017 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Caedrel </td><td colspan=1 rowspan=1 > Marc Robert Lamont </td><td class="highlighted"  colspan=1 rowspan=1 > Mid Laner </td><td class="highlighted"  colspan=1 rowspan=1 > 22 May 2017 </td><td colspan=1 rowspan=1 > 30 September 2017 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Norskeren </td><td colspan=1 rowspan=1 > Tore Hoel Eilertsen </td><td class="highlighted"  colspan=1 rowspan=1 > Support </td><td class="highlighted"  colspan=1 rowspan=1 > 22 May 2017 </td><td colspan=1 rowspan=1 > 30 September 2017 </td></tr>
<tr> <td colspan=1 rowspan=1 > loulex </td><td colspan=1 rowspan=1 > Jean-Victor Burgevin </td><td colspan=1 rowspan=1 > Jungler </td><td colspan=1 rowspan=1 > 13 January 2017 </td><td colspan=1 rowspan=1 > 30 April 2017 </td></tr>
<tr> <td colspan=1 rowspan=1 > SELFIE </td><td colspan=1 rowspan=1 > Marcin Wolski </td><td colspan=1 rowspan=1 > Mid Laner </td><td colspan=1 rowspan=1 > 13 January 2017 </td><td colspan=1 rowspan=1 > 30 April 2017 </td></tr>
</table>
Question:
What were the names and positions of the players who joined Schalke in May 2017?
Answer:
On May 22, 2017, Memento, Caedrel and Norskeren joined Schalke as Jungler, Mid Laner and Support.