Steer placed on the 10-day IL July 27 with a partial right-wrist sheath tear — removing Cincinnati's most tradeable arb-controlled asset from the market five days before the August 3 deadline, in the thinnest right-handed bat pool in years.

Spencer Steer exited the Reds' 5-3 win over the Cardinals on July 26 after an awkward foul-ball swing in the fifth inning. He did not fight manager Terry Francona to stay in. "He didn't fight me to come out of that game," Francona told MLB.com's Jeff Jones and other reporters afterward. "That makes me nervous." Overnight imaging gave the Reds their answer: a right wrist sprain — a partial tear of a tendon sheath, per Charlie Goldsmith of Charlie's Chalkboard — with two weeks in a splint and no surgery yet scheduled. Cincinnati made it official July 27, placing Steer on the 10-day IL.

The injury is rough for the Reds in a way the standings don't fully capture. At 49-55, dead last in the NL Central, Cincinnati was already heading to the deadline as a seller. Steer was what they were selling.

He had everything a contender-in-a-hurry wants from a deadline add: right-handed bat, arb control through 2028, multi-positional range across both corners of the infield and the outfield. His 2026 slash line through Sunday — .238/.319/.421, 16 home runs over 382 plate appearances, a 101 wRC+ — was functional rather than flashy, but the platoon split made the argument louder than the overall line did. His OPS against left-handed pitching this season sat at 1.062 in 96 plate appearances. For any contender with a left-leaning roster construction, that number was worth real prospect capital.

The Seattle Times reported July 24 that the Mariners had been showing specific interest — Seattle ranks near the bottom of the league in both OPS and wOBA, and right-handed balance in their corner mix was a noted need. MLBTradeRumors noted multiple other clubs also circling. The right-handed bat market entering deadline week was already considered thin by recent standards; Steer sat near the top of what was available.

He doesn't anymore. A partial sheath tear requiring a two-week splint, five days before August 3, functionally removes him from this market. A trade is theoretically possible — some buyer could absorb the risk — but MLBTradeRumors noted Sunday that wrist and hand injuries carry lingering performance implications even after soreness clears, and no contender is paying a full return for a player whose bat speed could drag for months. The Reds were going to ask for a "particularly nice return," per MLBTR, given the arb control and versatility. That leverage evaporated on an awkward foul ball.

The ripple effect runs downstream. With Steer off the board, a thin RH bat pool just got thinner, and the remaining names pick up marginal value. The Mets — sellers at 43-60 — have Luis Robert Jr. back from the 60-day IL and available; other clubs with right-handed outfielders under team control are suddenly the most interesting items left in the store window.

For the Reds, the math is blunt: they lost their most valuable moveable piece before they could move it. The plan was to build toward 2027 while banking a return on the arb assets. A wrist sheath doesn't consult the plan.