Who knows how it may affect the club’s sudden momentum but the Mets today are expected to officially add Jose Reyes to the roster, suit him in his customary No. 7 jersey (per Adam Rubin), and lead him off tonight versus the Marlins.

No word yet on a corresponding roster move although it seems likelier to me that infielder Matt Reynolds gets sent down than Alejandro De Aza is released. The latter scenario only happens if there’s a true crush on the 40-man roster, and even then, I think they’d look to trade him. Despite appearances, De Aza’s track record and versatility would indicate he’s not completely without value.

Now, onto the important stuff: With Reyes set to take over 7, it triggers yet another uni change for Travis d’Arnaud, whom I’d have advised to stay put. And while it’s possible we’ll see d’Arnaud move back to 15, especially if Reynolds vacates it, I’m proposing a unique solution to a unique problem:

Take No. 8 out of mothballs.

The Mets haven’t issued No. 8 since 2002 (coach Matt Galante), a decision that coincided with Gary Carter’s election to baseball’s Hall of Fame. We can presume the club withheld it so as to give itself runway to retirement had Carter gone into the Hall “as a Met” and following that, in deference to his illness and tragic death in 2012. (I want to be clear I feel the first distinction is very silly and unworthy of the weight it seems to carry in the retired number debate).

But with both those events now in the rear-view, I think there’s an argument to reintroduce No. 8 when warranted, and now is that time. You have a promising young catcher basically forced into a switch, and there’s a dearth of dignified numbers out there (just 1, 18, 46 and 49). He drives you crazy with the health issues and the slumps but d’Arnaud deep down is a heck of a hitter, I think, and at any rate wouldn’t embarrass the memory of Carter (or Yogi Berra, also a numerical descendant) any more than the second coming of Jose Reyes might insult the first Reyes era. The Mets in fact gave No. 8 time off between Yogi’s stints as a player (1965-72) and a manager (1975-79), but those periods came to an end too.

I supported the Mets’ good taste and sensitivity while they withheld No. 8 then and now, but the time has come to reintroduce it. Give the Kid No. 8!

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PS — Quick note to acknowledge the arrival and departure of Seth Lugo and the first No. 67 in club history last week! I missed that traveling last week.