Yeah, the 60 mins argument is brought everywhere by Barca fans, wonder how it will work out here.
It's an interesting argument since when you look at his match details, you see this when he starts:
9/14/19: Started, 73 minutes, 1 assist
9/17/19: Started, 90 minutes, UCL vs Dortmund
9/24/19: Started, 90 minutes, 1 goal
9/28/19: Started, 90 minutes, 1 goal
10/2/19: Started, 90 minutes, UCL vs Inter
10/6/19: Started, 65 minutes, 2 assists
10/19/19: Started, 71 minutes
10/23/19: Started, 83 minutes, 1 assist, UCL vs Slavia Prague
11/2/19: Started, 66 minutes
11/9/19: Started, 90 minutes
12/1/19: Started, 73 minutes
1/19/19: Subbed in, 7 minutes
1/25/19: Started, 56 minutes
2/15/20: Started, 75 minutes
2/22/20: Started, 90 minutes, 1 goal
3/1/20: Started, 80 minutes
6/16/20: Started, 73 minutes
6/23/20: Started, 56 minutes
4 matches under 66 minutes played when he starts. Also, the recent match where he played 56 minutes was after playing 19 minutes on the 13th, starting the 16th, coming on for 27 on the 19th and then starting the 23rd. 4 matches in 10 days.