It was a supposed to be a day when helpful overhead conditions meant that seam bowlers would thrive, with no toss required any of the nine County Championship matches.
That may have been true at Old Trafford and New Road, where 18 and 16 wickets went down respectively, but elsewhere batsmen showed they weren't just prepared to stand back and face the music.
Openers Sam Robson and Nick Gubbins both made centuries as Middlesex gained early supremacy against Essex; Ian Westwood met Warwickshire's batting problems head-on with a superb 153 and Hampshire skipper James Vince helped himself to an unbeaten 143 against Yorkshire.
No-one, though, was the equal of Notts batsman Riki Wessels, who swashbuckled his way to an unbeaten 202 not out - the first double hundred of his career - to lead them to 447 all out against Sussex in Division Two.
What will tomorrow hold? Join us again at 10:30ish to follow the twists and tuns of day two. Until then, I bid you adieu.