Slugger Jim Wynn is traded to the Dodgers for pitchers Claude Osteen and Dave Culpepper
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Slugger Jim Wynn is traded to the Dodgers for pitchers Claude Osteen and Dave Culpepper

1973 – Slugger Jim Wynn is traded to the Dodgers for pitchers Claude Osteen and Dave Culpepper. A holder of many team records, Wynn rebounds to help the Dodgers to the National League title in 1974 while Osteen would own a 9-9 mark before being traded in mid-season. 

Ron Santo becomes the first player to invoke the new 10 and 5 rule. The Cubs want to trade Santo to the Angels for two pitchers, but he vetoes the deal.

Ron Santo becomes the first player to invoke the new 10 and 5 rule. The Cubs want to trade Santo to the Angels for two pitchers, but he vetoes the deal.

The Dodgers trade OF Willie Davis to the Expos for relief pitcher Mike Marshall. Marshall will win the Cy Young Award for the Dodgers next season.

The Dodgers trade OF Willie Davis to the Expos for relief pitcher Mike Marshall. Marshall will win the Cy Young Award for the Dodgers next season.

The Dodgers trade OF Willie Davis to the Expos for relief pitcher Mike Marshall. Marshall will win the Cy Young Award for the Dodgers next season.

1973 – The Reds trade P Ross Grimsley to the Orioles for OF Merv Rettenmund and IF Junior Kennedy. Grimsley will win 18 next year for the Orioles.

1973 – The Reds trade P Ross Grimsley to the Orioles for OF Merv Rettenmund and IF Junior Kennedy. Grimsley will win 18 next year for the Orioles.