Bruins notebook: David Backes next man up on Krejci’s line, Cassidy downplays news of McAvoy’s tardiness

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It’s been an eventful season so far for David Krejci — with the pivot still looking to find some footing on his line with a vacant spot still festering on the wing.

While Jake DeBrusk has been a constant alongside Krejci in a top-six role this season, the veteran has seen numerous players come and go to his right. So far this season, Krejci has centered nine different line combinations (not including his first-line promotion following Patrice Bergeron’s injury) that have logged over 10 minutes of 5v5 ice time this year.

Candidates have included Danton Heinen (132 minutes of 5v5 TOI with Krejci), Joakim Nordstrom (107 minutes) and Ryan Donato (41 minutes) — with the latest option coming in the form of David Backes.

Given Krejci’s track record of producing at a high rate when surrounded by top talent, Bruce Cassidy has made it a bit of a collaborative process with his center when it comes to finding a new linemate within Boston’s roster.

In an ideal situation, Krejci would have a dynamic forward like David Pastrnak to work with.

In 207 minutes of 5v5 ice time as part of a trio with Pastrnak, Krejci’s lines have generated 10 goals (five goals against) and have posted a plus-23 shot differential and a 219-150 edge in attempts.

“He would like to play with Pasta,” Cassidy said of Krejci. “Absolutely, he would. So would (Jakob Forsbacka Karlsson), so would Noel (Acciari). All kidding aside, of course he’d love to have Pasta on his wing."

As of right now, however,