Table 2

Search strategy and equation.

Database	Equation
SCOPUS	(TITLE-ABS-KEY (rugby) AND TITLE-ABS-KEY (professional OR professional AND league) AND TITLE-ABS-KEY (ball AND possession OR possession) AND TITLE-ABS-KEY (key AND performance AND indicators OR performance AND analysis* OR patterns AND of AND play*))
Web of Science (WoS)	#1 TS=(rugby) #2 TS=(professional OR professional league) #3 TS=(ball possession OR possession) #5 TS=(key performance indicators OR performance analysis* OR patterns of play*) #1 AND #2 AND #3 AND #5
PubMed	((((rugby[Title/Abstract]) AND (professional[Title/Abstract] OR professional[Title/Abstract] OR league[Title/Abstract])) AND (ball[Title/Abstract] OR possession[Title/Abstract] OR possession[Title/Abstract])) AND (key performance indicators[Title/Abstract] OR performance analysis[Title/Abstract] OR patterns of play*[Title/Abstract])
SPORT Discus	rugby AND (professional* OR professional OR league) AND (ball OR possession OR possession) AND (key performance indicators* OR performance analysis* OR patterns of play*)