They converted third and longs frequently in 2020. Though “frequently” is a relative term–even the best doesn’t even reach 39%.
There’s actually a site that keeps stats on third and long. Goff threw them 48 times and converted a third of them, which ranks him 8th in the league. He was better at that than Brees, Watson, Rodgers, Wilson, Ryan, and Brady.
Ah but, Stafford btw ranks 1st. He converted 38.7% of 62 attempts. He was better at that than everybody.
Those numbers are here: http://stats.washingtonpost.com/fb/leaders.asp?type=Passing&range=NFL&rank=047
And it’s nice that Stafford is ranked first on that stat. đ