One play in the 49ers' Week 2 win over the Los Angeles Rams at SoFi Stadium proved to be costly for wide receiver Jauan Jennings.
The NFL fined Jennings $21,885 for an illegal blindside block on Rams linebacker Christian Rozeboom with 2:00 remaining in the fourth quarter.
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The play initially resulted in a 15-yard penalty that backed the 49ers' offense up to their own 47-yard line before punting two plays later.
Also in the game, Rams safety Russ Yeast was fined for a second-quarter helmet-to-helmet hit on 49ers wide receiver Deebo Samuel.
San Francisco linebacker Dre Greenlaw, who received an unnecessary roughness penalty for a hit on Rams wide receiver Puka Nacua in the second quarter, did not receive a fine.
San Francisco 49ers
Greenlaw also received an unnecessary roughness penalty with 5:50 remaining in the fourth quarter of the 49ers' Week 3 win on Thursday for a hit on New York Giants wide receiver Darius Slayton, his second in as many games. It remains to be seen if Greenlaw will receive a second fine at some point next week.