Two light rak'ahs during the khutbah

Someone arriving during the khutbah should pray two short rak'ahs first.

Narrated by Jabir ibn Abdullah

When one of you comes on Friday while the imam is delivering the khutbah, let him pray two rak'ahs and make them short.

Sahih Muslim 875

What this hadith teaches

Tahiyyat al-masjid is not dropped even during the khutbah; it is kept short.

Reference and grade

Grade
Sahih (in Sahih Muslim)
Narrator
Jabir ibn Abdullah

The hadith in Arabic نص الحديث

أَصَلَّيْتَ يَا فُلاَنُ "‏ ‏.‏ قَالَ لاَ ‏.‏ قَالَ ‏"‏ قُمْ فَارْكَعْ

Arabic text of Sahih Muslim 875, as given on sunnah.com.