"Know the rules, Harbaugh!" Schwartz appeared to yell after Harbaugh threw his red challenge flag for a play that could not be reviewed.
When the game finally ended and the 49ers had won, Harbaugh's aggressive handshake sent Schwartz into a furor.
Looks like Schwartz needs to brush up on those rules, also. His attempt to challenge a play that he could not challenge allowed a questionable Houston Texans touchdown to stand during the Lions' 34-31 overtime defeat Thursday.
"Like them or not, rules are rules," the NFC North blog headline reads.
Harbaugh and 49ers fans might prefer our headline here on the NFC West blog.