McGregor opens the fourth round by pinning Mayweather against the ropes and opening up some combinations. Mayweather complained of a low blow, but there was no stoppage by the referee.
Mayweather vs. McGregor: Round 4 close with Mayweather picking up the pace


Mayweather is picking up the pace and backing up McGregor who appears to be slowing a bit. Both are landing better in round four and McGregor is still using the jab well.
The left hand has landed a few times for McGregor, but without much power. Still it has captured the attention of Mayweather.
This has been the closest round of the fight so far and could go either way, but we’ll give it to Mayweather based on pace and aggressiveness.
SB Nation scores the round 10-9 for Mayweather, with McGregor now leading 39-37

















