Very little Turn Back the Clock games in baseball this season, tho a bunch of retro nights. Here's the TBTC info:

Fridays - Milwaukee Brewers - Retro 1982 day
Thu., Jun. 14 - Indians at Marlins -1997 Throwback Night (Marlins to wear 1997 uniforms)
Sun. Jul. 29 - Athletics at Mariners - Turn Back the Clock Day - '77 Mariners Caps

White Sox, Padres, Giants, Pirates have retro nights, retro bobblehead giveaways, tho no mention of uni's. Tho ATL, CLE, NYM, WAS, BAL, BOS, DET have yet to put up promotional schedules.

Other:
Mon., Apr. 23 - Yankees at Devil Rays - 10th Season Cowbell
Fri., May 25 - Devil Rays at White Sox - 70's Night/White Sox Cap
Fri., Jun. 8 - Phillies at Royals - Commemorative 1980 World Series Lapel Pin
Fri., Sep. 14 - Angels at White Sox - White Sox Caps - Halfway to St. Patrick's Day (tho that's the wrong date)
Mon., Sep. 17 - White Sox at Royals - Half-Way to St. Paddy's Day Celebration Green Royals Cap
Sundays - Rangers have $1 Drumstick Ice Cream Sunday (ultimate diabetics mockery)